Comparison of Bacteriostatic Effects between Extracts from Russula and Cyclobalanopsis glauca

doi:10.7506/spkx1002-6630-201105008

FOOD SCIENCE ›› 2011, Vol. 32 ›› Issue (5 ): 36-38.doi: 10.7506/spkx1002-6630-201105008

• Basic Research • Previous Articles Next Articles

Comparison of Bacteriostatic Effects between Extracts from Russula and Cyclobalanopsis glauca

LIU Ying-zi1,2，GAN Yao-kun1,2，CHEN Xu-jian1，MING Ting-hui1，ZENG Xian-ying1

1. Department of Chemistry and Biology, Yulin Normal University, Yulin 537000, China；
2. College of Life Science, Guangxi Normal University, Guilin 541004, China

Received:2010-06-18 Revised:2011-01-21 Online:2011-03-15 Published:2011-03-03
Contact: GAN Yao-kun1 E-mail:gyk195711@163.com

Abstract

Abstract: The bacteriostatic effects of extracts from Russula and Cyclobalanopsis glauca were studied in this paper. Russula roots and Cyclobalanopsis glauca roots and nut were subjected to solvent extraction with 80% ethanol under ultrasonic assistance, and the extracts from both plants were comparatively evaluated for their bacteriostatic effects on Escherichia coli, Micrococcus lueus, Staphylococcus aureus, Aerobacter aerogenns, Karlperth yeast, Penicillium adametzi Zaleski. Results indicated that three extracts had inhibitory effects on Escherichia coli, Micrococcus luteus, and Karlperth yeast. Meanwhile, the inhibitory effects of these extracts on Escherichia coli and Micrococcus luteus were more obvious and exhibited a concentration-dependent manner. Minimum inhibitory concentrations against Karlperth yeast increased in the following order: Cyclobalanopsis glauca root extract ＜ Cyclobalanopsis glauca nut extract ＜ Russula extract. Moreover, the optimal inhibitory concentrations of these extracts were all 2.0 g/mL.

Key words: Cyclobalanopsis glauca, Russula, ultrasonic extraction, bacteriostatic effect

CLC Number:

Q939.97

LIU Ying-zi1,2，GAN Yao-kun1,2，CHEN Xu-jian1，MING Ting-hui1，ZENG Xian-ying1. Comparison of Bacteriostatic Effects between Extracts from Russula and Cyclobalanopsis glauca[J]. FOOD SCIENCE, 2011, 32(5 ): 36-38.

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Comparison of Bacteriostatic Effects between Extracts from Russula and Cyclobalanopsis glauca

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