The therapeutic potential of truffle fungi: a patent survey 305This is an Open Access article distributed under the terms of the Creative Commons Attribution 3.0 License (creativecommons.org/licenses/by/3.0/), which permits redistribution, commercial and non-commercial, provided that the article is properly cited. © The Author(s) 2014 Published by Polish Botanical Society Acta Mycologica REVIEW Acta Mycol 49(2):305–318 DOI: 10.5586/am.2014.022 Received: 2014-05-21 Accepted: 2014-11-24 Published electronically: 2014-12-31 The therapeutic potential of truffle fungi: a patent survey Małgorzata Gajos1*, Florian Ryszka2, Joerg Geistlinger3 1 Department of Biomedical Computer Systems, University of Silesia, Będzińska 39, 41-200 Sosnowiec, Poland 2 Pharmaceutical Research and Production Plant “Biochefa”, Kasztanowa 3, 41-205 Sosnowiec, Poland 3 Department of Agriculture, Ecotrophology and Landscape Development, Anhalt University of Applied Sciences, Strenzfelder Allee 28, 06406 Bernburg, Germany Abstract The purpose of this article is to research and retrieve patent information regarding the therapeutic use of truffles. Truffles have a unique value as a foodstuff and impact positively on human health and well-being. They are applied in such industries as the pharmaceutical industry and the cosmetic industry. Patent documentation available in the Espacenet network and the Patentscope service were analyzed by key word and patent specifications were examined to describe state of the art and to identify scientific research trends in therapeutic applications of truffles. Medicinal properties of truffles such as the anticancer or cardiovascular effect, a reduction in blood lipids, immunological resistance and increased energy were identified. Other therapeutic benefits include sedative action, prevention of hormonal imbalances in women, pre-menopause symptom relief, senile urethritis and prostate disorders, sleep disorders and increased absorption of calcium from milk. Truffles can also be used to alleviate symptoms of milk intolerance such as diarrhoea or bloating, to ease rheumatic pains and to treat and prevent further develop- ment or recurrence of senile cataract. Keywords: truffle fungi; Tuber; therapeutic potential of truffles; patent survey Introduction The number of patents granted annually to inventions is an important indicator of technological development [1]. In order to obtain patent protection, each invention should * Corresponding author. Email: malgorzata.gajos@us.edu.pl Handling Editor: Maria Rudawska http://creativecommons.org/licenses/by/3.0/ http://dx.doi.org/10.5586/am.2014.022 mailto:malgorzata.gajos%40us.edu.pl?subject=am.2014.022 306© The Author(s) 2014 Published by Polish Botanical Society Acta Mycol 49(2):305–318 Gajos et al. / Therapeutic potential of truffles be characterized by patentability, determined by novelty, inventive step and industrial application. This article reviews patent research into truffle (Tuber)-related inventions. It addresses the important role of truffles in the food industry and documents their positive effects on human health and well-being as well as their usefulness in the pharmaceutical industry. However, truffles are some of the most expensive organic products in the world due to limited resources and difficulties in obtaining them. Patent research is a set of activities consisting of searching and analyzing patent in- formation. It comprises searches of patent literature and documentation that are further analyzed for relevant information. Conclusions based on patent research can be successfully used to evaluate practicability of applying for patent protection for a specific solution, to provide solutions of international technical standard permitting patent protection, to select scientific research directions, to secure presumption that a technical solution does not infringe on patent rights of third persons and to use known solutions when implementing research objectives within legally permissible imitation. A recent publication by Gajos and Hilszczańska [2] surveys the state of the art and research interests regarding truffles. The purpose of the present article was to analyze truffle patent information. Patent documentation was researched through patent databases and patent specifications. Patented and patent-applied developments as well as specific thematic scopes of implemented invention proposals were explored, with the scientific and technical information being studied. Such patent research primarily evaluates the state of the art in truffle research. There are more than 100 truffle species belonging to the Tuberales worldwide. The most economically significant truffles belong to the genus Tuber and grow, e.g., in Southern Europe, particularly in northern Spain, Italy and Greece, in southern France and Croatia. Truffles contain a variety of biochemical components, including steroids, pheromones, flavonoide, anthocyanine, carotenoide, oligosaccharide and volatile organic compounds (VOCs) such as dimethyl-sulfide and -bisulfide, butanedione, butyrate, hexenone, ethyl-, methyl- and propylphenole and methylthiomethane. To date they are widely unexplored and unexploited resources that have a therapeutic potential as they contain antioxidant, antimicrobial, antiviral, antimutagenic, anticarcinogenic, immune-modulating, hepato- protective, antidepressant and sedative bioactive substances [3]. Truffles have protective effects due to their antioxidant [4] and antiradical properties [5]. They contain a variety of phenolic substances, which are very efficient scavengers of peroxyl radicals [4]. A previous report showed the expression of some 120 antioxidant enzymes [6]. Correspondingly, truffles show strong inhibition of lipid oxidation, which indicates effective antioxidant activity [7]. The antioxidant-rich aqueous extract of desert truffle Terfezia claveryi was demonstrated to have a very powerful hepatoprotective activity when evaluated in rats using the potent hepatotoxin carbon tetrachloride [8]. A few studies discuss the antimicrobial importance of truffles [9, 10]. Activity against Gram(−) and Gram(+) bacteria has been reported [11]. Truffle extracts showed in-vitro activity against Chlamydia trachomatis, Staphylococcus aureus and Pseudomonas aerugi- nosa. Antiviral activity was reported by Hussan and Al-Ruqaie [12]. Antimutagenicity was studied with Tuber aestivum (summer truffle) extracts and ir- radiation of bacteria with the application of the mutagens nitroflurene and sodium azide [13]. Anti-inflammatory effects were determined as inhibitory effects on cyclooxygenase-2 307© The Author(s) 2014 Published by Polish Botanical Society Acta Mycol 49(2):305–318 Gajos et al. / Therapeutic potential of truffles (COX2), an enzyme that plays an important role in the inflammatory process [14]. Intra- cellular polysaccharides isolated from the fruiting body of Tuber sinense have been shown to exhibit immuno-modulation and antitumour activities [15]. The influence on tumour cell growth was detected by Ferreira et al. [16] and Ng and Wong [17]. Possible bioactive substances were classified as quinines, isoflavones, steroids, ceramides and catechols. A new polyhydroxy sterol glycoside named tuberoside has been isolated from fruiting bodies of Tuber indicum. These compounds are assumed to be structural constituents of cellular membranes and precursors of steroid hormones that antagonise anxiety and act as sedatives by positively modulating GABA receptors [18]. A genetic analysis of Tuber progressed substantially with the publication of the total genome sequence of Tuber melanosporum (black perigord truffle) [19]. It is by far the largest genome sequence (125 MB) ever obtained from an ascomycete fungus but, in contrast, only 7500 protein-coding genes were found, with large gene families almost completely missing. Moreover, simple sequence repeats are highly abundant in this genome [20], which offers an excellent opportunity for the development of molecular markers that can be applied in further genetic analyses of various species or genotypes. Information on the transcriptome exists from Tuber borchii (Bianchetto truffle) regarding differentially expressed genes in vegetative mycelium and fruiting bodies [21]. Genomic information regarding the genus Tuber is clearly quite abundant and genes for biochemical pathways involved in the synthesis of bioactive molecules (anti-inflammatory, antioxidant, etc.) and VOCs that are responsible for the different tastes, odors, scents and aromas of Tuber could be identified based on it. Truffles can be commercialized as food additives or flavors as well as fragrance in cosmetics industries [22]. Furthermore, it has been shown that isolated Tuber genes can be expressed in heterolo- gous expression systems like Escherichia coli and yeast [23,24]. This is a prerequisite for the biotechnological production of bioactive compounds independent of natural truffle grounds. Due to a decline in natural Tuber populations, caused by intensive collection of fruiting bodies for cooking, attempts have been made to cultivate Tuber species as fermentation mycelia. It has been shown that mycelia grown in-vitro had elevated sterol content as compared to fruiting bodies collected from the wild [25]. Material and methods Espacenet and Patentscope as well as patent specifications for submitted and patented truffle-related developments were used in this study. In October 1998, the European Patent Office (EPO) launched esp@cenet, a network of free patent databases containing patent documents (patents and patent applications) from Europe, Japan, the U.S. and the World Intellectual Property Organization (WIPO) [26]. Patentscope (WIPO) is a free search service offered by the World Intellectual Property Organization. It includes many national patent collections, including some of rare coverage. Patent specifications are basic sources of scientific-technical information. They are carriers of technical, legal, economic, sociological and organizational information as well as personal information regarding inventors. A patent specification is a document that consists of a bibliographical part, a description of the invention, patent claims and illustrations [27]. 308© The Author(s) 2014 Published by Polish Botanical Society Acta Mycol 49(2):305–318 Gajos et al. / Therapeutic potential of truffles Codes found in patent descriptions in brackets or circles are designed to facilitate their drafting, information searches and patent research performance. International unification of the bibliographical description is independent of the language in which the bibliographi- cal description is formulated as well as of the composition and sequence of factors, which determine a country-specific patent system. Associated Standards ST. recommendations and guidelines as elaborated by the WIPO are published in the “Handbook on industrial property information and documentation” (e.g. ST.3 two-letter codes for the representa- tion of states, other entities and organizations, e.g. CN – China, EP – European Patent Office, WO World Intellectual Property Organization; ST.9 bibliographical data on and relating to patents; ST.16 identification of different kinds of patent documents, e.g., a first publication level patent application, dependence on national system could also be e.g. A1), B – second publication level patent specification, dependence on national system could also be e.g. B1) [28]. Patenting solutions for truffles can be recognized based on analyses of inventions, patent claims and drawings. The classification code in the bibliographical part, which is also known as the interna- tional patent classification (IPC), consists of the symbol of a section (A–H). Each section is subdivided into classes (each class symbol consists of the section symbol followed by a two-digit number). Each class comprises one or more subclasses (each subclass symbol consists of the class symbol followed by a capital letter). Each class and subclass has a title. Each subclass is broken down into subdivisions referred to as “groups” which are either main groups or subgroups [29]. Bibliographical data studies of patent specifications can help set research directions, e.g. to classify objects according to the IPC, and establish countries, companies and investors leading in the field of truffles or names of internationally renowned experts who can be patent creators. Patent research is mainly conducted by patent offices (in connection with the con- sideration of patent applications) as well as patent attorneys and invention services (in connection with technical innovations being applied for patenting and implementation of new technology and service products). In order to recognize the state of the art and to delineate scientific research directions, patent research can also be performed by scientific practitioners, especially when there is access to Internet patent databases. The advantage of electronic databases is that they offer easy access to thematic information by keyword search. Patent research includes: (i) basic research comprising patent discernment (state- of-the-art research), presumption that a given technical solution does not infringe on patent rights of third persons, patentability research and comprehensive patent research; (ii) special research for technology development planning and forecasting, standardisation papers, foreign trade and innovations development purposes. The article presents research into the state-of-the-art in relation to truffles. Such studies should precede any scientific research of technical nature. The objective of patent research is to present developments in a specific domain of technology and technical advances. The time scope is based on the development rate of a specific discipline: five to six years in rapidly growing domains and slightly more for domains which grow more slowly. Since this article is meant to recognize the broad status of truffle-related developments, no time constraints were introduced and Espacenet and Patentscope bases were searched in their entirety. 309© The Author(s) 2014 Published by Polish Botanical Society Acta Mycol 49(2):305–318 Gajos et al. / Therapeutic potential of truffles The following patent research methods are distinguished: object (by classification or keyword), subject (by company name or inventor’s personal name), patents obtained for the same invention in different countries (by priority dates), mixed (using elements of the above methods). This article uses the object method; research object is classified according to the IPC and keyword search was used for a research topic. An analysis was run for identified patent specifications and the research status was determined. Next the subject method was applied. The country of origin was established for leading institutions in the research domain covered by this article. Finally, possible research directions were set for truffle research. Results and discussion The international patent classification represents the whole body of knowledge, which may be regarded as proper to the field of patents for invention. The following sections and classes were investigated in this article: (i) A (human necessities) – A01 (agriculture, forestry, animal husbandry, hunting, trapping, fishing); A23 (foods or foodstuffs, their treatment); A61 (medical or veterinary science, hygiene); (ii) C (chemistry; metallurgy) – C07 (organic chemistry); C11 (animal or vegetable oils, fats, fatty substances or waxes, fatty acids thereof, detergents, candles); C12 (biochemistry, beer, spiritus, wine, vinegar, microbiology, enzymology, mutation or genetic engineering); (iii) G (physics) – G01 (measuring, testing). As of December 2012, a total of 29 documents regarding truffle inventions (patent applications and patent specifications or only patent applications) concerning medicine, health, pharmaceuticals and diet supplements were found. Patent application (A, A1) follows formal and legal research, patent specification (B) follows formal, legal and substantive research (patentability). Results are presented in a table (Tab. 1). Patent information regarding all twenty nine inventions belongs to the state of the art but only six inventions were granted a patent (with five patents belonging to Chinese investors and one belonging to an Italian investor); the procedure has not been closed for one patent yet and the remaining inventions were not granted a patent. Titles of inventions and sources of patent applications or patent specifications are given in a table (Tab. 2). Anticancer properties (Invention 5) One of the many benefits of truffles used in the pharmaceutical industry and medicine is their anticancer action as reflected in the inhibition of tumor cell growth. Medical properties of wild truffles are stronger as compared to those found in other species of fungi such as in Ganoderma lucidum (lingzhi mushroom) and Cordyceps militaris (scarlet caterpillar club mushroom). The process of preparing a natural product from wild truffles, black truffle (T. melanosporum) and brown truffle, comprises adding the aforementioned fungal species to distilled water, inactivation at 121–125° C under a pressure of 1 atm. for 2 to 3 hours followed by addition of alcohol and uniform mixing. The solution is kept 310© The Author(s) 2014 Published by Polish Botanical Society Acta Mycol 49(2):305–318 Gajos et al. / Therapeutic potential of truffles In ve nt io n nu m be r C ou nt ry c od e fo r pu bl is hi ng , nu m be r an d ty pe c od e of do cu m en t (p at en t sp ec ifi ca ti on ) D at e th e pa te nt is is su ed C ou nt ry c od e fo r pu bl is hi ng , nu m be r an d ty pe c od e of do cu m en t (p at en t ap pl ic at io n) P ub lic at io n da te of th e in ve nt io n do cu m en ta ti on (a pp lic at io n) P ri or it y da te In te rn at io na l Pa te nt C la ss ifi ca ti on IP C v er si on 8 In ve nt or Medicine and health – pharmaceuticals, diet supplements (29) 1 - - CN102224872 (A) 2011-10-26 2011-04-28 A23F5/24 A23F5/38 A23F5/40 CN 2 CN102145019 (B) 2012-10-10 CN102145019 (A) 2011-08-10 2011-03-29 A23C9/152 A23L1/29 A23L2/38(+31) CN 3 - - CN101965972 (A) 2011-02-09 2010-10-12 A23L1/20 A23L1/28 A23L1/29 CN 4 - - CN101911989 (A) 2010-12-15 2010-08-03 A23F3/14 CN 5 CN101732362 (B) 2011-06-15 CN101732362 (A) 2010-06-16 2008-11-21 A61K36/06 A61P35/00 A61P37/04 CN 6 - - CN101313920 (A) 2008-12-03 2008-06-25 A23L1/30 A61K36/06 A61P13/02(+3) CN 7 - - CN101268831 (A) 2008-09-24 2008-04-08 A23L1/28 A23L1/29 A61K36/06(+3) CN 8 IT1190435 (B) 1988-02-16 - - 1985-12-13 A23L IT 9 - - CN102551066 (A) 2012-07-11 2012-03-26 A23L1/28 A23L1/29 CN 10 - - CN102334549 (A) 2012-02-01 2011-06-08 A23C9/12 CN 11 CN102250709 (B) 2012-12-12 CN102250709 (A) 2011-11-23 2011-06-08 C12G1/022 C12R1/645 CN 12 - - CN102224853 (A) 2011-10-26 2011-06-08 A23D9/007 A23D9/04 A23L1/226 CN 13 - - CN102090455 (A) 2011-06-15 2010-09-25 A23C9/152 A23C9/18 CN 14 - - CN102771860 (A) 2012-11-14 2012-07-20 A01G1/04 A23L1/28 A23L1/29 A23L2/38 CN 15 - - CN102771773 (A) 2012-11-14 2012-07-20 A01G1/04 A23L1/28 A23L1/30 CN 16 CN102771857 (A) 2012-11-14 2012-07-20 A23L1/28 A23L2/38 A23L2/52 CN 17 CN102771855 (A) 2012-11-14 2012-07-20 A01G1/04 A23L1/29 A23L2/38 CN 18 CN102771762 (A) 2012-11-14 2012-07-20 A01G1/04 A23L1/28 A23L1/29 CN 19 CN102640820 (A) 2012-08-22 2012-04-25 A23F3/14 CN 20 CN102599514 (A) 2012-07-25 2012-03-26 A23L1/29 CN 21 CN102224873 (B) 2012-12-05 CN102224873 (A) 2011-10-26 2011-05-06 A23F5/40 A23F5/42 CN 22 CN102224925 (B) 2012-12-12 CN102224925 (A) 2011-10-26 2011-05-06 A23L1/29 C12N1/14 CN 23 CN102199547 (A) 2011-09-28 2011-04-28 C12N1/14 C12R1/645 CN Tab. 1 Patent research about truffles in Espacenet and Patentscope database. 311© The Author(s) 2014 Published by Polish Botanical Society Acta Mycol 49(2):305–318 Gajos et al. / Therapeutic potential of truffles overnight at 4 to 10°C, then subjected to centrifugation 1000 to 1200 rpm, 10–15 min, and the resulting supernatant is lyophilized. Cardiovascular effect (Invention 4, 19) Another example of the operation of active substances in fungi is their effect on the cardiovascular system. Tea extracts composed of truffles, lingzhi mushrooms and black beans can be applied to prevent and treat cardiovascular and cerebrovascular diseases. The preparation method includes: weighing 15–20 parts of sun-dried tea, 2–6 part truffles, 2–5 part lingzhi mushrooms and 2–5 parts of black beans, followed by ethanol extraction of fungi and black beans, washing the extract with water, combining the washed extracts with tea and fermentation (Invention 4). Pu-erh tea compositions containing Arctium lappa (greater burdock 40–60%) and truffles (20–40%) are used to lower blood pressure. These teas are brewed for 3 minutes in 250 ml of water at 93°C. One bag may be brewed from 3 to 5 times (Invention 19). Reduction in blood fats (Invention 12, 19, 24) Pu-erh tea compositions containing greater burdock and truffles also demonstrate an effect of lowering blood lipid levels (Invention 19). A similar behavior is demonstrated by edible oil containing vegetable oil or animal fats and truffle-derived oil. The volume ratio of the above-mentioned fats/oils in the raw material is 1:0.1–1 (Invention 12). A prepara- tion containing red tea and truffles lowers the level of blood fats (Invention 24) and can also be used as edible oil the composition of which is based on vegetable or animal fats and fat derived from truffles. The volume ratio of the above-mentioned fats in the raw material is 1:0.1–1 (Invention 12). A preparation containing red tea and truffles has also been proven to have this effect. Raw material of this preparation contains 1–20 parts (by In ve nt io n nu m be r C ou nt ry c od e fo r pu bl is hi ng , nu m be r an d ty pe c od e of do cu m en t (p at en t sp ec ifi ca ti on ) D at e th e pa te nt is is su ed C ou nt ry c od e fo r pu bl is hi ng , nu m be r an d ty pe c od e of do cu m en t (p at en t ap pl ic at io n) P ub lic at io n da te of th e in ve nt io n do cu m en ta ti on (a pp lic at io n) P ri or it y da te In te rn at io na l Pa te nt C la ss ifi ca ti on IP C v er si on 8 In ve nt or 24 CN102058728 (A) 2011-05-18 2010-11-16 A23F3/14 A23L1/29 A61K35/64(+9) CN 25 CN101856370 (A) 2010-10-13 2010-07-07 A23L1/29 A61K36/068 A61K36/28(+7) CN 26 CN101892143 (A) 2010-11-24 2009-05-20 C12G3/04 CN 27 JP2002249438 (A) 2002-09-06 2001-02-22 A23L1/30 A61Q1/2 JP 28 JP2002173441 (A) 2002-06-21 2000-09-27 A23L1/30 A61Q 19/10 JP 29 US20120039927 A1 WO2012021466 2012-02-16 A61P27/12 A61K 36/062 US Tab. 1 (continued) Source: the author’s eleboration based on Espacenet and Patentscope databases. 312© The Author(s) 2014 Published by Polish Botanical Society Acta Mycol 49(2):305–318 Gajos et al. / Therapeutic potential of truffles Inv. No. Title of invention Source of patent information regarding invention A/B Medicine and health – pharmaceuticals, diet supplements (29) 1 Health food with truffles and coffee beans as raw materials http://worldwide.espacenet.com/publicationDetails/ biblio?adjacent=true&locale=en_EP&FT=D&date=2 0111026&CC=CN&NR=102224872A&KC=A A 2 Medicinal composition containing truffles, vitamins and mineral substances http://worldwide.espacenet.com/publicationDetails/ biblio?adjacent=true&locale=en_EP&FT=D&date=2 0110810&CC=CN&NR=102145019A&KC=A B 3 Health-care food made of truffles and beans http://worldwide.espacenet.com/publicationDetails/ biblio?adjacent=true&locale=en_EP&FT=D&date=2 0110209&CC=CN&NR=101965972A&KC=A A 4 Truffle health-care tea and preparation method thereof http://worldwide.espacenet.com/publicationDetails/ biblio?adjacent=true&locale=en_EP&FT=D&date=2 0101215&CC=CN&NR=101911989A&KC=A A 5 Application of wild truffle in preparing medicine with anticancer and immunological functions http://worldwide.espacenet.com/publicationDetails/ biblio?adjacent=true&locale=en_EP&FT=D&date=2 0100616&CC=CN&NR=101732362A&KC=A B 6 Application of truffle extract in preparing foods, medicine for treating endocrine dyscrasia diseases http://worldwide.espacenet.com/publicationDetails/ biblio?adjacent=true&locale=en_EP&FT=D&date=2 0081203&CC=CN&NR=101313920A&KC=A A 7 Truffle hydrophilic solvent extract and application of the same in preparing food, health food, and medicament for treating prostate gland disease etc. http://worldwide.espacenet.com/publicationDetails/ biblio?adjacent=true&locale=en_EP&FT=D&date=2 0080924&CC=CN&NR=101268831A&KC=A A 8 Solid truffle product http://worldwide.espacenet.com/publicationDetails/ biblio?adjacent=true&locale=en_EP&FT=D&date=1 9880216&CC=IT&NR=1190435B&KC=B B 9 Health-care food containing maca, cordyceps and truffle http://worldwide.espacenet.com/publicationDetails/ biblio?adjacent=true&locale=en_EP&FT=D&date=2 0120711&CC=CN&NR=102551066A&KC=A A 10 Dairy product with raw materials containing truffle http://worldwide.espacenet.com/publicationDetails/ biblio?adjacent=true&locale=en_EP&FT=D&date=2 0120201&CC=CN&NR=102334549A&KC=A A 11 Beverage prepared from raw material containing truffle http://worldwide.espacenet.com/publicationDetails/ biblio?adjacent=true&locale=en_EP&FT=D&date=2 0111123&CC=CN&NR=102250709A&KC=A B 12 Edible oil with raw material containing truffle oil http://worldwide.espacenet.com/publicationDetails/ biblio?adjacent=true&locale=en_EP&FT=D&date=2 0111026&CC=CN&NR=102224853A&KC=A A 13 Truffle-containing milk http://worldwide.espacenet.com/publicationDetails/ biblio?adjacent=true&locale=en_EP&FT=D&date=2 0110615&CC=CN&NR=102090455A&KC=A A 14 Truffle health drink prepared by liquid-submerged fermentation and preparation method of truffle health drink http://worldwide.espacenet.com/publicationDetails/ biblio?DB=worldwide.espacenet.com&II=5&ND=3 &adjacent=true&locale=en_EP&FT=D&date=20121 114&CC=CN&NR=102771860A&KC=A A Tab. 2 Titles of truffle-related inventions based on Espacenet and Patentscope databases. http://worldwide.espacenet.com/publicationDetails/biblio?adjacent=true&locale=en_EP&FT=D&date=20111026&CC=CN&NR=102224872A&KC=A http://worldwide.espacenet.com/publicationDetails/biblio?adjacent=true&locale=en_EP&FT=D&date=20111026&CC=CN&NR=102224872A&KC=A http://worldwide.espacenet.com/publicationDetails/biblio?adjacent=true&locale=en_EP&FT=D&date=20111026&CC=CN&NR=102224872A&KC=A http://worldwide.espacenet.com/publicationDetails/biblio?adjacent=true&locale=en_EP&FT=D&date=20110810&CC=CN&NR=102145019A&KC=A http://worldwide.espacenet.com/publicationDetails/biblio?adjacent=true&locale=en_EP&FT=D&date=20110810&CC=CN&NR=102145019A&KC=A http://worldwide.espacenet.com/publicationDetails/biblio?adjacent=true&locale=en_EP&FT=D&date=20110810&CC=CN&NR=102145019A&KC=A 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No. Title of invention Source of patent information regarding invention A/B 15 Truffle health-care product containing traditional Chinese medicine extractive and preparation method thereof http://worldwide.espacenet.com/publicationDetails/ biblio?DB=worldwide.espacenet.com&II=6&ND=3 &adjacent=true&locale=en_EP&FT=D&date=20121 114&CC=CN&NR=102771773A&KC=A A 16 Truffle health-care drink prepared through liquid submerged fermentation and preparation method of truffle health-care drink prepared through liquid submerged fermentation http://worldwide.espacenet.com/publicationDetails/ biblio?DB=worldwide.espacenet.com&II=7&ND=3 &adjacent=true&locale=en_EP&FT=D&date=20121 114&CC=CN&NR=102771857A&KC=A A 17 Truffle health care product and preparation method thereof http://worldwide.espacenet.com/publicationDetails/ biblio?DB=worldwide.espacenet.com&II=8&ND=3 &adjacent=true&locale=en_EP&FT=D&date=20121 114&CC=CN&NR=102771855A&KC=A A 18 Truffle health-care product prepared through liquid submerged fermentation and preparation method of truffle health-care product prepared through liquid submerged fermentation http://worldwide.espacenet.com/publicationDetails/ biblio?DB=worldwide.espacenet.com&II=9&ND=3 &adjacent=true&locale=en_EP&FT=D&date=20121 114&CC=CN&NR=102771762A&KC=A A 19 Formula of health tea with truffle and burdock and production method of health tea with truffle and burdock http://worldwide.espacenet.com/publicationDetails/ biblio?DB=worldwide.espacenet.com&II=14&ND=3 &adjacent=true&locale=en_EP&FT=D&date=20120 822&CC=CN&NR=102640820A&KC=A A 20 Health food containing maca and truffle http://worldwide.espacenet.com/publicationDetails/ biblio?DB=worldwide.espacenet.com&II=15&ND=3 &adjacent=true&locale=en_EP&FT=D&date=20120 725&CC=CN&NR=102599514A&KC=A A 21 Method for preparing food from raw materials comprising coffee beans http://worldwide.espacenet.com/publicationDetails/ biblio?DB=worldwide.espacenet.com&II=21&ND=3 &adjacent=true&locale=en_EP&FT=D&date=20111 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http://worldwide.espacenet.com/publicationDetails/biblio?DB=worldwide.espacenet.com&II=38&ND=3&adjacent=true&locale=en_EP&FT=D&date=20101013&CC=CN&NR=101856370A&KC=A http://worldwide.espacenet.com/publicationDetails/biblio?DB=worldwide.espacenet.com&II=38&ND=3&adjacent=true&locale=en_EP&FT=D&date=20101013&CC=CN&NR=101856370A&KC=A http://worldwide.espacenet.com/publicationDetails/biblio?DB=worldwide.espacenet.com&II=38&ND=3&adjacent=true&locale=en_EP&FT=D&date=20101013&CC=CN&NR=101856370A&KC=A 314© The Author(s) 2014 Published by Polish Botanical Society Acta Mycol 49(2):305–318 Gajos et al. / Therapeutic potential of truffles weight) of red tea, 5–50 parts (by weight) of truffles and 1–30 parts (by weight) of one or more of the following: mistletoe, medlar, chrysanthemum, honeysuckle flower, honey, ginseng, the stem and root of dwarf big blue lilyturf (Invention 24). Immunological resistance (Invention 1–5, 7, 10–11, 19, 21–22, 24–26) Pharmaceutical research has shown that a diet, which includes truffles, helps to increase resistance and fights fatigue. Foodstuffs most commonly rely on a combination of truffles and coffee beans (Invention 1, 3, 21–22) or [common] beans (Invention 3). In both cases, the weight ratio of the abovementioned components in the raw material should be 5–50 parts truffles and 10–100 of coffee beans or [common] beans (Invention 1, 3). Dairy products and beverages containing grapefruit juice provide further examples of applications of substances present in fungi. Milk products are based on milk and truffle fermentation wort or broth where both the volume and weight ratios of the raw material are (1–10) : (1–20). In beverages, the grapefruit juice volume ratio to the truffle fermen- tation broth in the raw material is (1–10) : (1–20) while the weight ratio to the truffle extract equals (1–10) : (1–20). It has been proven that both of these products have an anti-aging effect and increase somatic resistance (Invention 10–11). The aforementioned tea varieties containing truffle, lingzhi mushroom and black bean extracts or greater burdock and truffles also have a positive impact on immunological resistance (Invention 4, 19). An effect on immunological resistance growth is also exhibited by pharmaceuti- cal preparations, which contain a truffle extract alone, or in combination with other substances. Exemplary preparations can consist of truffles, vitamins and minerals in a weight ratio equal to 0.1–10 parts, 0.005–3 parts and 0.05–3 parts, respectively, as well Inv. No. Title of invention Source of patent information regarding invention A/B 26 Method for preparing medicinal liquor http://worldwide.espacenet.com/publicationDetails/ biblio?DB=worldwide.espacenet.com&II=43&ND=3 &adjacent=true&locale=en_EP&FT=D&date=20101 124&CC=CN&NR=101892143A&KC=A A 27 Age retardant for living organism http://patentscope.wipo.int/search/en/detail.jsf ?docI d=JP67349238&recNum=34&office=&queryString= ALLTXT%3A%28truffle%29&prevFilter=&sortOptio n=Relevance&maxRec=385 A 28 Agent for suppressing or preventing oxidation of organism http://patentscope.wipo.int/search/en/detail.jsf ?docI d=JP67273260&recNum=37&office=&queryString= ALLTXT%3A%28truffle%29&prevFilter=&sortOptio n=Relevance&maxRec=385 A 29 Use of extracts of pezizaceae in the prevention and/or treatment of senile cataracts http://patentscope.wipo.int/search/en/detail.jsf ?docI d=US73487155&recNum=105&office=&queryString =ALLTXT%3A%28truffle%29&prevFilter=&sortOpt ion=Relevance&maxRec=385 A1 Tab. 2 (continued) Source: the author’s eleboration based on Espacenet and Patentscope databases. Inv. No. – invention number; A – application; B – patent. http://worldwide.espacenet.com/publicationDetails/biblio?DB=worldwide.espacenet.com&II=43&ND=3&adjacent=true&locale=en_EP&FT=D&date=20101124&CC=CN&NR=101892143A&KC=A http://worldwide.espacenet.com/publicationDetails/biblio?DB=worldwide.espacenet.com&II=43&ND=3&adjacent=true&locale=en_EP&FT=D&date=20101124&CC=CN&NR=101892143A&KC=A http://worldwide.espacenet.com/publicationDetails/biblio?DB=worldwide.espacenet.com&II=43&ND=3&adjacent=true&locale=en_EP&FT=D&date=20101124&CC=CN&NR=101892143A&KC=A http://worldwide.espacenet.com/publicationDetails/biblio?DB=worldwide.espacenet.com&II=43&ND=3&adjacent=true&locale=en_EP&FT=D&date=20101124&CC=CN&NR=101892143A&KC=A http://patentscope.wipo.int/search/en/detail.jsf?docId=JP67349238&recNum=34&office=&queryString=ALLTXT%3A%28truffle%29&prevFilter=&sortOption=Relevance&maxRec=385 http://patentscope.wipo.int/search/en/detail.jsf?docId=JP67349238&recNum=34&office=&queryString=ALLTXT%3A%28truffle%29&prevFilter=&sortOption=Relevance&maxRec=385 http://patentscope.wipo.int/search/en/detail.jsf?docId=JP67349238&recNum=34&office=&queryString=ALLTXT%3A%28truffle%29&prevFilter=&sortOption=Relevance&maxRec=385 http://patentscope.wipo.int/search/en/detail.jsf?docId=JP67349238&recNum=34&office=&queryString=ALLTXT%3A%28truffle%29&prevFilter=&sortOption=Relevance&maxRec=385 http://patentscope.wipo.int/search/en/detail.jsf?docId=JP67273260&recNum=37&office=&queryString=ALLTXT%3A%28truffle%29&prevFilter=&sortOption=Relevance&maxRec=385 http://patentscope.wipo.int/search/en/detail.jsf?docId=JP67273260&recNum=37&office=&queryString=ALLTXT%3A%28truffle%29&prevFilter=&sortOption=Relevance&maxRec=385 http://patentscope.wipo.int/search/en/detail.jsf?docId=JP67273260&recNum=37&office=&queryString=ALLTXT%3A%28truffle%29&prevFilter=&sortOption=Relevance&maxRec=385 http://patentscope.wipo.int/search/en/detail.jsf?docId=JP67273260&recNum=37&office=&queryString=ALLTXT%3A%28truffle%29&prevFilter=&sortOption=Relevance&maxRec=385 http://patentscope.wipo.int/search/en/detail.jsf?docId=US73487155&recNum=105&office=&queryString=ALLTXT%3A%28truffle%29&prevFilter=&sortOption=Relevance&maxRec=385 http://patentscope.wipo.int/search/en/detail.jsf?docId=US73487155&recNum=105&office=&queryString=ALLTXT%3A%28truffle%29&prevFilter=&sortOption=Relevance&maxRec=385 http://patentscope.wipo.int/search/en/detail.jsf?docId=US73487155&recNum=105&office=&queryString=ALLTXT%3A%28truffle%29&prevFilter=&sortOption=Relevance&maxRec=385 http://patentscope.wipo.int/search/en/detail.jsf?docId=US73487155&recNum=105&office=&queryString=ALLTXT%3A%28truffle%29&prevFilter=&sortOption=Relevance&maxRec=385 315© The Author(s) 2014 Published by Polish Botanical Society Acta Mycol 49(2):305–318 Gajos et al. / Therapeutic potential of truffles as combinations of truffles and Cordyceps sinensis (caterpillar mushrooms) in a weight ratio equal to 0.1–5 parts and 1–10 parts, respectively (Invention 2, 25). Vigour growth (Invention 1, 9, 20, 25) It has been shown that dietary supplements containing Lepidium meyenii (maca), truffles and, optionally, scarlet caterpillar club mushroom influence the growth and strength of the body. The weight percentage of these ingredients should be 15–70%, 5–35% and 5–35%, respectively. The supplement is prepared as follows: alcohol extraction of the active ingredient of dry or fresh maca root powder and preparation of truffle and scarlet caterpillar club fungus powder in accordance with generally accepted procedures. Puri- fied powder derived from the fruit of Phyllanthus emblica (Indian gooseberry) or starch is auxiliary materials used in the making of the preparation (Invention 9, 20). Anti-aging benefits (Invention 10, 11, 27) Pharmacological studies have found that both milk products and beverages containing grapefruit juice in combination with truffles have anti-aging properties in addition to the impact on immunological resistance. In these studies, dairy products are based on milk and truffle fermentation wort while beverages are based on grapefruit juice and truffle fermentation wort or truffle extract (Invention 10–11). Other In addition, fungi-derived substances manifest a range of applications not mentioned above. These include but are not limited to: (i) sedative action (truffles, lingzhi mushroom; Invention 4); (ii) prevention and treatment of hormonal imbalances in women, premenopausal symptoms, senile urethritis and sleep disorders (truffles; Invention 6); (iii) treatment of male sexual dysfunctions and prostate disorders (truffles; Invention 7); (iv) alleviation of intolerance symptoms to milk such as diarrhoea or bloating and increased absorption of calcium from milk (truffles; Invention 13), (v) easing of rheumatic pains (truffles; Invention 19), (vi) treatment and prevention of further development or recurrence of senile cataract (truffles; Invention 29). Conclusions The largest group of patents involves immunological resistance. It has been demon- strated that a diet containing truffles increases resistance and fights fatigue. There are a variety of applied combinations of truffles with coffee (Invention 1, 3, 21–22), beans (Invention 3), dairy products and beverages with a grapefruit-juice base (Invention 10–11). A mixture of truffles and grapefruit juice also has anti-aging properties. Immunological resistance is strengthened by compositions of tea varieties, which contain extracts of truffles, lingzhi mushroom and black beans or greater burdock and truffles (Invention 4, 19). Truffle extract is also effective when combined with vitamins or minerals; a combina- tion of truffles and caterpillar mushrooms has beneficial applications (Invention 2, 26). 316© The Author(s) 2014 Published by Polish Botanical Society Acta Mycol 49(2):305–318 Gajos et al. / Therapeutic potential of truffles The next group includes patents relating to increased vigour and vitality. These are dietary supplements containing maca, truffles and scarlet caterpillar club mushrooms, which are thought to affect bodily growth and strength. The formulation is also added to powdered fruit of Nepalese/Indian gooseberry or starch (Invention 9, 20). Anticancer properties are shown by aqueous extracts of black truffle (T. melanosporum) and brown truffle (Invention 5). Extracts containing truffles, lingzhi mushrooms and black beans are used in the treatment of cardiovascular and cerebrovascular diseases (Invention 4). A preparation containing greater burdock and truffles reduces both blood pressure and the level of blood fats (Invention 19). A similar action is demonstrated by edible oils containing vegetable oils or animal fats as well as truffle-derived oils. The volume ratio of the abovementioned fats/oils in the raw material is 1:0.1–1 (Invention 12). A preparation containing red tea and truffles also lowers blood fat levels (Invention 24). Of the above patented solutions, those involving cancers and tumors (Patent 5), car- diovascular disease prevention and treatment (Invention 4, 19) and immuno-resistance enhancement (Invention 1–5, 7, 10–11, 19, 21–22, 24–26) should be highlighted for their applicability merits (practicability in use). The solutions are technologically quite simple and are easy to implement. A substantial disadvantage is that the raw material is expensive and, thus, highly reduces chances for implementation unless biotechnological processes are rolled out and put to use. Acknowledgments This work was partially financed by MNiSW under the initiative of “Grants for grants” – support for Polish coordinators in the research programs of the European Union on the preparation of the project: “Technology utilization in bio-geo environmental research: exemplary for innovative truffle biotechnology, domestication, economy and remote sensing (TUBER)”, agreement No. 2515/GG 7. PR UE/2012/0 of 31.10.2012. Authors would like to express sincere thanks to Slobodan Bajagić (Croatia) for general idea for TUBER project. First author would like to thanks Mariusz Grzesiczak (Poland) for help in searching patent databases. Authors’ contributions The following declarations about authors’ contributions to the research have been made: patent databases research and analysis, draft of the manuscript: MG; analysis of therapeutic potential of truffles inventions: FR; characterization of truffles properties: JG; final writing of the manuscript: MG, FR, JG. References 1. 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White MJ. esp@cenet Europe’s Network of Patent Databases. Issues Sci Technol Lib. 2006;47. http:// dx.doi.org/10.5062/F4F47M2H 27. Gajos M. Opis patenowy jako źródło informacji. Katowice: University of Silesia; 2000. 28. Handbook on industrial property information and documentation [Internet]. 2013 [cited 2013 Dec 19]; Available from: http://www.wipo.int/standards/en/part_03_standards.html 29. International patent classification – version 2013. Guide [Internet]. 2013 [cited 2013 Dec 15]; Available at: http://www.iponz.govt.nz/cms/iponz/latest-news/expired-items/international-patent-classification-2013 http://dx.doi.org/10.5062/F4F47M2H http://dx.doi.org/10.5062/F4F47M2H http://www.wipo.int/standards/en/part_03_standards.html http://www.iponz.govt.nz/cms/iponz/latest-news/expired-items/international-patent-classification-2013 Abstract Introduction Material and methods Results and discussion Anticancer properties (Invention 5) Cardiovascular effect (Invention 4, 19) Reduction in blood fats (Invention 12, 19, 24) Immunological resistance (Invention 1-5, 7, 10-11, 19, 21-22, 24-26) Vigour growth (Invention 1, 9, 20, 25) Anti-aging benefits (Invention 10, 11, 27) Other Conclusions Acknowledgments Authors’ contributions References 2014-12-31T17:48:52+0000 Polish Botanical Society