[1]魏福华,黄峰华,张永忠.大豆异黄酮抑菌活性及其热稳定性研究[J].大豆科学,2013,32(01):115-118.[doi:10.3969/j.issn.1000-9841.2013.01.027]
　WEI Fu-hua,HUANG Feng-hua,ZHANG Yong-zhong.Antibacterial Activity and Thermal Stability of Soybean Isoflavones[J].Soybean Science,2013,32(01):115-118.[doi:10.3969/j.issn.1000-9841.2013.01.027]
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大豆异黄酮抑菌活性及其热稳定性研究

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第32卷 期数: 2013年01期 页码: 115-118 栏目: 出版日期: 2013-02-25
Title:
Antibacterial Activity and Thermal Stability of Soybean Isoflavones
文章编号:
1000-9841(2013)01-0115-04
作者:
魏福华1;黄峰华2;张永忠3
1.江苏食品职业技术学院 食品与营养工程学院，江苏 淮安 223003；
2.黑龙江省农业科学院 信息中心，黑龙江 哈尔滨 150086；
3.东北农业大学 理学院，黑龙江 哈尔滨 150030
Author(s):
WEI Fu-hua1; HUANG Feng-hua2; ZHANG Yong-zhong3
1.Jiangsu Food Science College,Huaian 223003,Jiangsu；
2.Information Centre,Heilongjiang Academy of Agricultural Sciences,Harbin 150086,Heilongjiang；
3.College of Science,Northeast Agricultural University,Harbin 150030,Heilongjiang,China
关键词:
染料木黄酮; 黄豆苷元; 抑菌活性; 热稳定性
Keywords:
Genistein; Daidzein; Antibacterial activity; Thermal stability
分类号:
TS214.2
DOI:
10.3969/j.issn.1000-9841.2013.01.027
摘要:
以大肠杆菌、金黄色葡萄球菌、枯草芽孢杆菌和沙门氏菌为测试菌株,对大豆异黄酮混合水解苷元、染料木黄酮和黄豆苷元的抑菌活性进行了研究。结果表明,各组分均具有一定的抑菌效果,且随浓度的增加效果增强;大豆异黄酮对革兰氏阳性菌的抑制效果要优于革兰氏阴性菌;大豆异黄酮混合水解苷元和染料木黄酮的抑菌效果优于黄豆苷元,三者对金黄色葡萄球菌的最小抑菌浓度分别为0.2、0.2和0.8 mg.mL-1;染料木黄酮具有良好的热稳定性。
Abstract:
The antibacterial activity of hydrolyzed aglycones of soy isoflavones,genistein and daidzein to Escherichia coli,Staphylococcus aureus,Bacillus subtilis and Salmonella spp.were investgated in the current research.All the tested soy isoflavones showed antibacterial activity with dose dependant manner.The inhibitory effect of soy isoflavones on Gram-positive bacteria were better than Gram-negative ones,and that of mixed aglycones and genistein were better than daidzein.The minimum inhibitory concentration against -Staphylococcus aureus for three components were 0.2,0.2 and 0.8 mg·mL-1,respectively.Genistein showed good thermal stability.

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备注/Memo

基金项目：国家高技术研究发展计划“863计划”项目(2008AA10Z331)。

第一作者简介：魏福华（1978-），女，硕士，讲师，研究方向为食品化学与营养。E-mail：weifuhua12@gmail.com。
通讯作者：张永忠（1953-），男，教授，研究方向为天然产物化学。E-mail：zyz1953@sohu.com。

更新日期/Last Update: 2013-02-20