id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-71426	Salo, Maija-Liisa	Lignin studies II. The lignin content and properties of lignin in different materials	1957	9	.pdf	application/pdf	3069	196	70	Even the usual lignin determination reveals a difference in the behaviour of lignin in different plant materials. According to Freudenberg et ai. (6) in lignin methoxyl must be attached to an aromatic ring in an ether form.	cache/afs-71426.pdf	txt/afs-71426.txt