ellagitanninn.

/ɛlədʒɪˈtanɪn/

Forms: Also ellagotannin.

Etymology: < ellagi- (in ellagic adj.) + tannin n.

Chemistry.

Any tannin that on hydrolysis gives ellagic acid and a sugar.

ΚΠ

1895 Naturalist 25 Ellagotannin C₁₄H₁₀O₁₀, which is the most highly oxidised of vegetable astringents.

1898 Proc. Chem. Soc. 104 The presence of ellagic acid has also been detected, and thus besides gallotannin, ellagitannin is also present.

1956 Hickinbottom & Garwood in E. H. Rodd Chem. Carbon Compounds III b. xii. 806 The hydrolysable tannins are usually divided into gallotannins which on hydrolysis give gallic acid, and ellagitannins which give ellagic acid.

1966 E. Haslam Chem. Vegetable Tannins iv. 122 The most important sources of ellagitannins are..Valonea, Myrobalans, Divi-divi and Algarobilla.

This entry has not yet been fully updated (first published 1972; most recently modified version published online December 2020).

单词	ellagitannin
释义	ellagitanninn. /ɛlədʒɪˈtanɪn/ Forms: Also ellagotannin. Etymology: < ellagi- (in ellagic adj.) + tannin n. Chemistry. Any tannin that on hydrolysis gives ellagic acid and a sugar. ΚΠ 1895 Naturalist 25 Ellagotannin C₁₄H₁₀O₁₀, which is the most highly oxidised of vegetable astringents. 1898 Proc. Chem. Soc. 104 The presence of ellagic acid has also been detected, and thus besides gallotannin, ellagitannin is also present. 1956 Hickinbottom & Garwood in E. H. Rodd Chem. Carbon Compounds III b. xii. 806 The hydrolysable tannins are usually divided into gallotannins which on hydrolysis give gallic acid, and ellagitannins which give ellagic acid. 1966 E. Haslam Chem. Vegetable Tannins iv. 122 The most important sources of ellagitannins are..Valonea, Myrobalans, Divi-divi and Algarobilla. This entry has not yet been fully updated (first published 1972; most recently modified version published online December 2020). < n.1895
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