| abstract |
PROBLEM TO BE SOLVED: To use a polyamine-polyphenol useful as a DPPH free radical scavenger, ABTS cation-radical scavenger, superoxide anion scavenger, lipid antioxidant, enzyme activity inhibitor, food additive, freshness-preserving agent, pharmaceutical or cosmetic. Provide a hybrid. A polyamine is introduced into a polyamine through a covalent bond by reacting a specific polyamine with a specific polyphenol by using an oxidase catalyst to produce a polyamine-polyphenol hybrid. [Selection figure] None |