Study on Bacteriostasis of Extracts from Flowers of Eriobotrya japonica (Thunb.) Lindl. by Systematic Solvents

Abstract

Abstract: The bacteriostasis of systematic solvents extracts from flowers of Eriobotrya japonica (Thunb.) Lindl was studied. Seven systematic solvents extracts were conducted for the inhibitory effects against Escherichia coli, Staphylococcus aureus and Candida albicans, with calcium propionate as control group. The different extracts were tested by thin layer chromatography. The results indicated that the flower of Eriobotrya faponica was well at restraining bacillus and epiphyte. The average inhibitory effects of the flower of Eriobotrya faponica on bacteria and epiphyte were better than control groups. The butanol and acetone extracts had strong effect on Staphylococcus aureus than others. The petroleum ether extract had strong effect on Escherichia coli. The petroleum ether and ethyl acetate extract had strong effect on Candida albicans.

Key words: flowers of Eriobotrya japonica, secondary chemicals, systematic solvents, bacteriostasis, TLC

HE Lian, ZHANG Hong, LI Qi, YANG Bi-Kun, ZHANG Xiao-Yu, YAN Wei. Study on Bacteriostasis of Extracts from Flowers of Eriobotrya japonica (Thunb.) Lindl. by Systematic Solvents[J]. FOOD SCIENCE, 2007, 28(12): 109-112.

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Study on Bacteriostasis of Extracts from Flowers of Eriobotrya japonica (Thunb.) Lindl. by Systematic Solvents

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