Antimicrobial Effect of Total Saponins from Physalis alkekengi Calyx

doi:10.7506/spkx1002-6630-201319019

Abstract

Abstract:

The antimicrobial effect of total saponins from Physalis alkekengi Calyx against Escherichia coli, Salmonella
typhimurium, Shigella flexneri and Listeria monocytogenes was evaluated through measuring antimicrobial diameter,
minimal inhibitory concentration (MIC) and minimum bactericidal concentration (MBC). The results showed that total
saponins from P. akekengi had a strong inhibitory effect against four tested bacteria with MIC of 2.5 to 20 mg/mL and MBC
of 5 to 20 mg/mL. The antimicrobial activity of the total saponins against S. typhimurium was stronger than potassium
sorbate, and the same antimicrobial activity against Shigella flexneri was observed as sodium benzoate.

Key words: Physalis alkekengi Calyx, saponins, antimicrobial effect

CLC Number:

R285.5

MENG Qing-ran，LI Li-bo，WANG Xiao-wen*. Antimicrobial Effect of Total Saponins from Physalis alkekengi Calyx[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201319019.

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Antimicrobial Effect of Total Saponins from Physalis alkekengi Calyx

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