Development of free radical products during the greening reaction of caffeic acid esters (or chlorogenic acid) and a primary amino compound.

Abstract

ESR spectra were measured directly on a marked greening reaction mixture of Et-caffeate and a primary amino compound in alkali solution under aeration. A clear hyperfine structure was commonly detected early in the greening reaction with different amino compounds. Its hyperfine spectrum split into seven peaks was analyzed and found to be due to the oxidized… (More)

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