A new norisoprenoid and other compounds from Fuzhuan brick tea.
A new norisoprenoid and other compounds from Fuzhuan brick tea.
复制标题
茯砖砖茶中一种新的去甲异戊二烯及其他化合物
DOI:
10.3390/molecules17033539
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发表时间:
2012-03-19
期刊:
影响因子:
--
通讯作者:
Wan XC
中科院分区:
文献类型:
--
作者:
Luo ZM;Ling TJ;Li LX;Zhang ZZ;Zhu HT;Zhang YJ;Wan XC
Fuzhuan brick tea, a kind of dark tea consumed mainly in the border regions of Southwestern and Northwestern China since the 1860s, is produced from the leaves of Camellia sinensis var. sinensis by microbial fermentation. From this special fermented tea, a new norisoprenoid, 3R,9R-oxido-5-megastigmene, was isolated, together with α-linolenic acid, strictin, isovitexin, astragalin, (+)-catechin, (−)-epicatechin, (−)-epicatechin gallate, (+)-gallocatechin, (−)-epigallocatechin, (−)-epigallocatechin gallate and gallic acid. The structures of the compounds were identified by spectroscopic means. The new compound didn’t show any inhibition activity against the tested enteric pathogenic microorganisms at a concentration of 800 μg/mL by the hole plate diffusion method.
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