木梨幼叶提取物抑菌作用研究  

Studies on the Antimicrobial Effect of the Extracts of Pyrus xerophila Leaves

作　　者：熊大胜[1] 郭春秋[1] 曾文虎[1] 盛建新[1] 

机构地区：[1]常德师范学院生物系,湖南常德415000

出　　处：《中国野生植物资源》2003年第2期37-38,共2页Chinese Wild Plant Resources

摘　　要：用木梨 ( Pyrus xerophila)幼叶提取物对几种常见微生物进行抑菌试验 ,结果表明 :木梨幼叶提取物对多种微生物有明显的抑制作用 ,对金黄色葡萄球菌、大肠杆菌、枯草杆菌及青霉菌的最低抑菌浓度分别为 0 .2 5 %,4%,4%,8%,且能耐高温短时的热处理。The antimicrobial experiment of the extracts of P. xerophila leaves was studied. It was found that the extracts of P. xerophila leaves could effectivety inhibit the growth of a series microorganism. The anticrobial minimum dlosages extracts of P.xerophila were as follow: Staphylococcus aureus 0.25%, Ebcherichia coli 4%,Bacillus subitilis 4%, Penicillium sp. 8%. The extracts were characterized by their heat stable ability.

关 键 词：木梨 幼叶提取物 抑菌作用 金黄色葡萄球菌 大肠杆菌 枯草杆菌 青霉菌 蔷薇科 

分 类 号：Q949.751.8[生物学—植物学] Q946