The use of i) finely divided knotwood, or ii) an extract, obtained by extracting knotwood with a polar solvent and recovering the extract, as an antioxidative agent. A fraction of the extract may also be used as an antioxidative agent.
US7976877B2
申请人:——
公开号:US7976877B2
公开(公告)日:2011-07-12
Freudenberg; Knof, Chemische Berichte, 1957, vol. 90, p. 2857,2867