Isolation and characterization of three fungi with the potential of transforming glycyrrhizin.

Three fungi with different types of transformation of glycyrrhizin (GL) were isolated from the soil samples of glycyrrhiza glabra planting area in China. According to their morphologies and 18 S rDNA gene sequence analysis, the three fungi were identified and named as Penicillium purpurogenum Li-3, Aspergillus terreus Li-20 and Aspergillus ustus Li-62. Transforming products analysis by TLC and HPLC-MS indicated that P. purpurogenum Li-3, A. terreus Li-20 and A. ustus Li-62 could stably transform GL into GAMG, GAMG and GA, and GA, respectively. P. purpurogenum Li-3 was especially valuable to directly prepare GAMG for applications in the pharmaceutical industry.

Citation

Chao Wang, Xiao-Xiao Guo, Xiao-Yan Wang, Feng Qi, Shi-Jiang Feng, Chun Li, Xiao-Hong Zhou. Isolation and characterization of three fungi with the potential of transforming glycyrrhizin. World journal of microbiology & biotechnology. 2013 May;29(5):781-8

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PMID: 23247917

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