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单词 ratanhia
释义 ratanhia|rəˈtænɪə|
Also 9 ratinia, rhatania.
[Pg., = Sp. ratania, a. Quichuan rataña (Tschudi).]
= rhatany.
1804Capt. Moore in Naval Chron. XII. 323, 32 chests of ratinia.1805Med. Jrnl. XIV. 129 The root, bark, and extract of the ratanhia.1826Henry Elem. Chem. II. 383 The extract of rhatania, digested in hot water.
Comb.1872Watts Dict. Chem. 1st Suppl. 992 Ratanhia-red..first obtained by Wittstein as a product of the decomposition of ratanhia-tannic acid.
Hence ratanhine |ˈrætənaɪn|, Chem. a compound homologous with tyrosine, occurring in the extract of ratanhia.
1868Watts Dict. Chem. V. 77.
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更新时间:2024/12/22 14:24:39