Generation and structure elucidation of a red colorant formed by oxidative coupling of chlorogenic acid and tryptophan

Ardemia Santarcangelo,Fabian Weber,Stefan Kehraus,Jeroen S. Dickschat,Andreas Schieber

Food Chemistry（2023）

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摘要

•Novel red colorant generated from chlorogenic acid quinone and tryptophan.•Protocol for isolation developed.•Reaction mechanism proposed.•Structure elucidated by mass spectrometry and NMR spectroscopy.

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关键词

Chlorogenic acid,Tryptophan,Red colorant,Phenol oxidation,Mass spectrometry,NMR spectroscopy

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