Xie Ming jieLu MinZou CuixiaLiu ChangjiangLu MingchunJin Fengxie.THE EFFECTON ANTI -MICROOGANISMOF SOYBEAN ISOFLAVONES[J].Soybean Science,2004,23(02):101-105.[doi:10.11861/j.issn.1000-9841.2004.02.0101]
大豆异黄酮的抑菌作用
- Title:
- THE EFFECTON ANTI -MICROOGANISMOF SOYBEAN ISOFLAVONES
- 文章编号:
- 1000 -9841(2004)02 -0101 -05
- Keywords:
- Isof lavones; Ag lycons ; Glucosides ; Anti -microoganism test ; MIC
- 分类号:
- S 565.1
- 文献标志码:
- A
- 摘要:
- 以从脱脂豆粕中提取的总大豆异黄酮为实验材料研究其抑菌作用, 实验结果表明, 大豆异黄酮对金黄色葡萄球菌、藤黄微球菌、腊状芽孢杆菌、短小芽孢杆菌、枯草芽孢杆菌、单增李氏菌、白色念珠菌、梨头霉菌和米曲霉均有明显的抑制作用, 其最低抑细菌浓度(MIC)分别为0 .03 %、0 .09 %、0 .02 %、0 .03 %、0 .03 %、0 .05 %、0 .05 %、0 .05 %和0 .05 %, 但对大肠杆菌和酿酒酵母无抑制作用。用本实验室开发的大豆异黄酮糖苷酶将提取的总大豆异黄酮进行酶解, 并将酶解后的产物进行分离纯化, 得到游离型的苷元。游离型苷元和结合型糖苷的抑菌结果显示, 大豆异黄酮中具有抑菌活性的成分是其游离型的苷元。其热稳定性好, 经121 ℃、30min 湿热灭菌处理后仍具有较强的抗菌活性。
- Abstract:
- In this tex t , soy bean isof lavo ne w as ex tracted from defat ted soybean and it s effect on anti -microoganismw as studied .The results show ed that soy bean isoflavone could obviously inhibit the grow th ofS taphylococcus aureus ;Micrococcus luteus ;Baci llus cereus ;Bacillus pumi lus ;Bacil lus subti lis ;Listeriamonocytogenes ;Candida albicans ;Absidia sp .R and Aspergi llus oryza .Its minimum inhibition concentrat ion(MIC)was 0 .03 %, 0 .09 %, 0 .02 %, 0 .03 %, 0 .03 %, 0 .05 %, 0 .05 %, 0 .05 % and 0 .05 % respect ively , but itcould not inhibit the grow th of Escherichia coli and Saccharomyces cerevisiae .The ing redients of anti -microoganismin soy bean isoflavones were dissociated Agly cons , combined glucosides had not any effect s to all testedmicroognism .Furthermore , dissociated Aglycons w as stable on heat , after 121 ℃, 30min hot procession , itstill had a stronger anti -microoganism activeness .
参考文献/References:
1 C .Lee Holder , Mona I .Churchw ell , Daniel R.Doerge.Quantif ication of Soy Isof lavones , Geni stein and Daidzein , and Conjugat es inRat Blood Using LC/ ES -MS[ J] .Agric .Food Chem ., 1999 , 47 :3764 -3770.
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备注/Memo
基金项目:国家自然科学基金资助项目(No .20076007)