请输入您要查询的英文单词:

 

单词 sambunigrin
释义 sambunigrin Chem.|sæmbjuːˈnaɪgrɪn|
[ad. F. sambunigrine (Bourquelot & Danjou 1905, in Compt. Rend. CXLI. 598), f. mod.L. Sambucus nigra, taxonomic name of the common elder (f. L. sambūcus elder + niger black): see -in1.]
A colourless crystalline glycoside of the nitrile of d-mandelic acid, found in the leaves of the elder and having the formula C6H5·CH(CN)·O·C6H11O5.
1905Jrnl. Chem. Soc. LXXXVIII. i. 912 The leaves of Sambucus nigra contain only traces of emulsin; it is therefore possible to extract from the air-dried or the fresh leaves the glucoside sambunigrin C14H17O6N, which crystallises from ethyl acetate in long, colourless needles.1965Ansell & Gigg in S. Coffey Rodd's Chem. Carbon Compounds (ed. 2) Ic. ix. 104 It [sc. hydrogen cyanide] is widely distributed in plants in the form of..glycosides of the cyanohydrins of various aldehydes and ketones (amygdalin, prunasin, sambunigrin,..etc.).
随便看

 

英语词典包含277258条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/22 16:04:51