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食品研究与开发:2016,37(6):31-33
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襄麦冬总黄酮体外抑菌活性试验研究
王海燕,刘阳,余海忠,赵慧君
(湖北文理学院 化学工程与食品科学学院,湖北 襄阳 441053)
Study on Antibacterial Activity of Total Flavonoids from Liriope Spicata Lour. var. Prolifera Y. T. Ma in Vitro
WANG Hai-yan, LIU Yang, YU Hai-zhong, ZHAO Hui-jun
(Department of Chemical Engineering and Food Science, Hubei University of Arts and Science, Xiangyang 441053, Hubei, China)
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投稿时间:2015-09-23    
中文摘要: 采用醇提法从襄麦冬中提取其主要有效成分黄酮类化合物并通过滤纸片法对 3 种浓度 0.5、1.0、2.0 mg /mL 的 襄麦冬黄酮提取液进行抑菌试验。 结果表明, 邦戈尔沙门氏菌的抑菌圈直径分别为 (15.200±0.361) mm,(18.167± 0.451) mm 和(22.433±0.306) mm。 而大肠杆菌的的抑菌圈的直径分别为 (11.500±0.361) mm,(13.600±0.500) mm,(16.700±0.400)mm。可见,3 种不同浓度的麦冬总黄酮溶液对邦戈尔沙门氏菌和大肠杆菌均具有抑制作用,并且具有剂 量依赖性。在相同浓度下,邦戈尔沙门氏菌对麦冬总黄酮提取物的敏感性比大肠杆菌强。
中文关键词: 襄麦冬  总黄酮  提取  抑菌作用
Abstract:General flavones from Liriope spicata Lour. var. prolifera Y. T. Ma was extracted through alcohol ex- traction and bacteriostatic experiments of different concentrations 0.5, 1.0, 2.0 mg/mL general flavones ex- tracts was performed by the method of filter paper. Bacteriostatic ring diameter of Salmonella Bongor were (15.200 ± 0.361) mm,(18.167 ± 0.451) mm and (22.433 ± 0.306) mm respectively, and the diameter of Es- cherichia coli were(11.500 ± 0.361) mm,(13.600 ± 0.500) mm,(16.700 ± 0.400) mm respectively. All the three different concentrations general flavones extracts showed inhibitory effect on both Salmonella Bongor and Escherichia coli with a dose-dependent manner. At the same concentration, Salmonella Bongor was more sensi- tive to general flavones extracts than Escherichia coli.
文章编号:201606008     中图分类号:    文献标志码:A
基金项目:湖北省自然科学基金项目(2015CFC804);湖北文理学院食品新型工业化学科群建设项目
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