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出典:Wiktionary
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出典:Wikipedia
出典:『Wikipedia』 (2011/06/30 16:30 UTC 版)
Fisetin is a flavonol, a structurally distinct chemical substance that belongs to the flavonoid group of polyphenols. It can be found in many plants, where it serves as a colouring agent. Its chemical formula was first described by Austrian chemist Josef Herzig in 1891.
Fisetin