id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ahs-3086	Alpi, A.	Foreword	2017	1	.pdf	application/pdf	562	20	35	Harborne’s work has called for experimentation on all other classes of secondary metabolites, alkaloids, non­protein amino acids, glucosinolates, lectins, terpenes, steroids, tannins, flavonoids, phenylpropanoids, lignins, coumarin, waxes, etc. The plant’s specific organization has led it to produce a large amount of secondary metabolites and probably selective pressure has left those molecules capable of conferring specific benefits to the plant: defense role against animal, fungal and bacterial parasites, but also those molecules that allow to establish relationships between plants of the same species or between different species.	cache/ahs-3086.pdf	txt/ahs-3086.txt