单词	catechin
释义	catechin /ˈkatɪtʃɪn / noun [mass noun] Chemistry A crystalline compound which is the major constituent of catechu. A phenol; chemical formula: C15H14O6; several isomers. Apples are rich in plant compounds called flavonoids including catechin and quercetin.... One could conclude that foods rich in longer-chain catechin oligomers are most likely to provide bioavailable catechin. Other nutrients important for gum health include vitamin A, zinc, vitamin E, selenium, and flavonoids such as quercetin, catechin, anthocyanidins and proanthocyanidins. Origin Mid 19th century: from catechu + -in1.
随便看	metaconule metacresol metacritique metacromion metacryst metacultural metaculture metacyclic metadata metadiscourse metadyne meta-empirical metaempirical meta-ethical meta-ethics metafiction metafictional metafictionist metafictive metafile metafunction metafunctional metagabbro metagabbroic metagalactic

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