摘要
采用吸光度法研究了黄芪多糖在体外对2株益生菌(乳酸菌和芽孢杆菌)和3株致病菌(大肠杆菌、沙门氏菌和金黄色葡萄球菌)的作用,以及2株益生菌对3株致病菌的作用。结果表明:10 mg/L,20 mg/L和40 mg/L的黄芪多糖对2株益生菌均有显著抑制作用(P<0.05),对3株致病菌,除10 mg/L浓度对大肠杆菌作用不显著(P>0.05)外,其余均显著抑制了致病菌生长(P<0.05),且以20 mg/L效果最佳;乳酸菌和芽孢杆菌对3株致病菌均有显著抑制作用(P<0.05)。试验结果显示:黄芪多糖和2株有益菌在体外均能抑制致病菌的生长,且黄芪多糖对2株益生菌存在抑制作用。
The research results of antimicrobial activity of APS and Lactobacillus, B. cereus in vitro showed that 10mg/L,20mg/L and 40mg/L contents of APS could significantly inhibit the proliferation of all strains（P〈0. 05） except 10mg/L to E. coli（P〉0. 05）and the inhibition of 20mg/L was the best. Lactobacillus and B. cereus significantly inhibited E. coli,S, typhimurium and Sta. aureus, indicating that both APS and Lactobacillus,B. cereus inhibited E. coli, S. typhimurium, Sta. aureus, and APS also inhibited Lactobacillus and B. cereus.
出处
《河南农业科学》
CSCD
北大核心
2007年第4期86-88,共3页
Journal of Henan Agricultural Sciences
基金
河北农业大学校内课题
关键词
黄芪多糖
乳酸菌
芽孢杆菌
抑菌作用
Astragalus polysaccharides
Lactobacillus
B. cereus
Antimicrobial activity
