Marcus Ehrenburg (Marcus.Ehrenburg at t-online.de) wrote: : Where can I find information on Lignin ??? Hi Marcus ! RODDS CHEMISTRY OF CARBON COMPOUNDS IIId edited by S. COFFEY ELSEVIER 1976 ISBN 0-444-41209-3 contains a lot about Tannines, Lignans, Lignin and Humicacid greetings Helmut