大黄素
内生真菌在植物防御中的应用
姜黄
生物
次生代谢物
内生菌
根茎
化学
植物
传统医学
拉伤
色谱法
发酵
食品科学
生物化学
医学
解剖
基因
出处
期刊:China journal of Chinese materia medica
[China Journal of Chinese Materia Medica]
日期:2011-03-15
被引量:3
标识
DOI:10.4268/cjcmm20110626
摘要
To identify the endophyte strain E8 with high activity from Curcuma wenyujin and study its secondary metabolites.The strain E8 was identified by morphological observation and ITS sequence analysis. Manifold chromatographic methods were used to separate and purify the chemical constituents of fermentation broth from strain E8, and their structures were identified by physiochemical properties and spectral data.The strain E8 belongs to P. oxalicum. Four compounds were isolated from the fermentation broth of this strain and elucidated as chrysophanol, emodin, secalonic acid A and beta-sitosterol.The endophyte P. oxalicum was isolated from medicinal plant Curcuma wenyujin for the first time. Four compounds were first isolated from endophytic fungus in C. wenyujin. Thus, microbial fermentation is a new access for these compounds production.
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