Biologically produced acid precipitable polymeric lignin

Details Biologically produced acid precipitable polymeric lignin Biologically produced acid precipitable polymeric lignin

C - Chemistry, Metallurgy

07

G

260/133, 195/86

C07G 1/00 (2006.01) C08H 6/00 (2010.01)

Patent

CA 1203189

BIOLOGICALLY PRODUCED ACID PRECIPITABLE POLYMERIC LIGNIN Abstract of the Disclosure A water soluble, acid precipitable polymeric degraded lignin (APPL), having a molecular weight of at least 12,000 daltons, and comprising, by percentage of total weight, at least three times the number of phenolic hydroxyl groups and carboxylic acid groups present in native lignin. The APPL may be modified by chemical oxidation and reduction to increase its phenolic hydroxyl content and reduce the number of its antioxidant inhibitory side chains, thereby improving antioxidant properties.

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