枯草芽孢杆菌SYL-6脂肽类化合物的分离与稳定性分析  

Isolation and Stability Analysis of Lipopeptides Compound Produced by Bacillus subtilis Strain SYL-6

作　　者：王继良[1] 杨金库[1] 冯争光[1] 刘晓杰[1] 黄娟英[1] 孙会刚[2] 

机构地区：[1]河北省廊坊市农林科学院,河北廊坊065000 [2]徐州工程学院

出　　处：《现代农业科技》2015年第23期114-115,117,共3页Modern Agricultural Science and Technology

基　　金：河北省科技计划项目(14226501D)

摘　　要：通过盐酸沉淀、甲醇萃取的方法,从枯草芽孢杆菌SYL-6菌株的发酵上清液中提取出一种脂肽类化合物进行抑菌试验,结果表明该物质对多种植物病原真菌具有明显的抑制作用。此外,该物质对热稳定,能耐受较广的p H值范围,对紫外线有较好的稳定性。An antimicrobial substance of lipopeptides were isolated from the suspension of Bacillus subtilis strain SYL-6 by hydrochloric acid precipitation and methanol extraction,and bacteriostasis test was carried out.The results showed that the substance had inhibitory effect on a variety of plant pathogenic fungi.In addition ,the substance was stable to high temperature with wider pH value range.It also had good stability to ultraviolet.

关 键 词：枯草芽孢杆菌 脂肽类化合物 分离 稳定性 

分 类 号：S476[农业科学—农业昆虫与害虫防治]