a polyphenol

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Определение a polyphenol в Английский Язык Английский Язык словарь
polyphenol: (Kimya) Polyphenols are a group of chemical substances found in plants, characterized by the presence of more than one phenol group per molecule. Polyphenols are generally further subdivided into hydrolyzable tannins, which are gallic acid esters of glucose and other sugars; and phenylpropanoids, such as lignins, flavonoids, and condensed tannins
polyphenol: any of a large class of organic compounds, of plant origin, having more than one phenol group; they tend to be colourful and to have antioxidant properties
polyphenol: {i} polyhydroxy phenol (Chemistry)

a polyphenol

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