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Molecules 2012, 17(3), 3539-3546; doi:10.3390/molecules17033539
Article

A New Norisoprenoid and Other Compounds from Fuzhuan Brick Tea

1,†
, 1,†
, 1, 1, 2, 2,*  and 1,*
1 Key Laboratory of Tea Biochemical and Biotechnology of Ministry of Education and Ministry of Agriculture, Anhui Agricultural University, Hefei 230036, China 2 State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, China These authors contributed equally to this work.
* Authors to whom correspondence should be addressed.
Received: 20 December 2011 / Revised: 8 March 2012 / Accepted: 14 March 2012 / Published: 19 March 2012
(This article belongs to the Section Metabolites)
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Abstract

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.
Keywords: Fuzhuan brick tea; norisoprenoid; 3R,9R-oxido-5-megastigmene; antimicrobial activity; enteric pathogenic microorganisms Fuzhuan brick tea; norisoprenoid; 3R,9R-oxido-5-megastigmene; antimicrobial activity; enteric pathogenic microorganisms
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Luo, Z.-M.; Ling, T.-J.; Li, L.-X.; Zhang, Z.-Z.; Zhu, H.-T.; Zhang, Y.-J.; Wan, X.-C. A New Norisoprenoid and Other Compounds from Fuzhuan Brick Tea. Molecules 2012, 17, 3539-3546.

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