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Two New Oleanane-Type Triterpenes Isolated from Japanese Post-Fermented Tea Produced by Anaerobic Microbial Fermentation


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Title: Two New Oleanane-Type Triterpenes Isolated from Japanese Post-Fermented Tea Produced by Anaerobic Microbial Fermentation
Authors: Huang, Yong-Lin / Nagai, Sachi / Tanaka, Takashi / Matsuo, Yosuke / Saito, Yoshinori / Kouno, Isao
Issue Date: 24-Apr-2013
Publisher: Multidisciplinary Digital Publishing Institute (MDPI)
Citation: Molecules, 18(5), pp.4868-4875; 2013
Abstract: Four triterpenes were isolated from a traditional Japanese tea product produced by anaerobic microbial fermentation of heated green tea leaves (Camellia sinensis). Two of the compounds were novel and characterized by spectroscopic investigation to be 13,26-epoxy-3β,11α-dihydroxyolean- 12-one and 3β,11α,13β-trihydroxyolean-12-one. Two known triterpenes were identified as taraxastane-3β,20β-diol and taraxastane-3β,20α-diol. These triterpenes were not detected in the original green tea leaves.
Keywords: Anaerobic fermentation / Awa-bancha / Oleanane / Post-fermented tea / Triterpene
URI: http://hdl.handle.net/10069/33045
DOI: 10.3390/molecules18054868
Rights: © 2013 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
Type: Journal Article
Text Version: publisher
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/33045

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