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Antibiotic activities of extracts from Prunus mume fruit against food-borne bacterial pathogens and its active components

文献类型： 外文期刊

作者： Wang, Xingna 1 ; Du, Jianchang 2 ; Zhou, Jianzhong 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Farm Prod Proc, Nanjing 210014, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Crop Germplasm & Biotechnol, Prov Key Lab Agrobiol, Nanjing 210014, Peoples R China

关键词： Prunus mume; Food-borne bacteria; Chemical compound; Inhibitory activity; Drilling method

期刊名称：INDUSTRIAL CROPS AND PRODUCTS （ 影响因子：5.645； 五年影响因子：5.749 ）

ISSN： 0926-6690

年卷期： 2019 年 133 卷

页码：

收录情况： SCI

摘要： Prunus mume has good antibacterial activity in addition to its high nutrition and many medical functions. In order to determine which components play domain role in fruit of Prunus mume, the antibacterial activities of five extracts (total, CHCl3, ethyl acetate, n-butanol and water) and eight compounds (squalene, epicatechin, chlorogenic acid, isoquercitrin, citric acid, rutin, amygdalin, and asparagine) against five food-borne bacteria (Salmonella enterica, Listeria monocytogenes, Staphylococcus aureus, Bacillus cereus, and Escherichia coli) were measured through agar plate drilling method. The ethyl acetate extract showed the highest inhibitory activities. At a concentration of 50 mg/mL, citric acid isolated from an ethyl acetate extract had superior activities against all five bacteria, compared with the other compounds. Chlorogenic acid, also isolated from the ethyl acetate extract, inhibited four of the five bacteria. Epicatechin, isolated from the ethyl acetate extract, inhibited Listeria monocytogenes and Salmonella enterica, while isoquercetrin, isolated from the ethyl acetate extract, and asparagine, isolated from the n-butanol extract, inhibited Listeria monocytogenes only. The results hinted citric acid, chlorogenic acid, epicatechin, isoquercetrin and asparagine were the compounds playing domain role on the antibiotic activities of Prunus mume against the five bacteria.

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