Polyphenols are a group of vegetable chemical substances, characterized by the presence of more than one phenolic group. Their phenolic reactions produce gelatines, alkaloids and other proteins. The polyphenols are responsible for the coloring of some plants. An alkaloid is a nitrogenous organic molecule that has a pharmacological effect on humans and other animals. ... A representation of the 3D structure of myoglobin, showing coloured alpha helices. ... Color is an important part of the visual arts. ...
Polyphenols have been shown to be strong antioxidants. Green tea is a high source of polyphenols. An antioxidant is a chemical that prevents the oxidation of other chemicals. ... Green tea (绿茶) is tea that has undergone minimal oxidation during processing. ...
Categories: Chemistry stubs Molecular structure of flavone Flavonoids are a group of chemical compounds, low molecular weight phenylbenzopyrones, found in all vascular plants. ... Tannins are astringent, bitter-tasting plant polyphenols that bind and precipitate proteins. ...
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