山东农业大学学报（自然科学版）2023，Vol.54Issue(6)：852-857,6.DOI:10.3969/j.issn.1000-2324.2023.06.008
一株耐甲醇的酯香微杆菌的特性研究
Methanol-tolerant Strain of Microbacterium esteraromaticum and Its Properties
摘要
Abstract
We used the strain of Microbacterium esteraromaticum isolated from homemade wine to investigate its tolerance to different concentrations of methanol and different environmental pH,the characteristics of the flocculant and its ability to degrade different oils and fats.The experimental results showed the bacterium could grow slowly in methanol medium at a maximum concentration of 10％;the optimum growth pH was 8,and the growth of the bacterium was significantly inhibited at pH＜5 or＞10.The optimum flocculation conditions were 45 mg/L flocculant concentration,0.5 mmol/L Fe3+as coagulant,pH 4 and 20 ℃.The lipase secreted by M.esteraromaticum was able to degrade a wide range of oils and fats with a degradation rate of up to 70％,the optimum degradation temperature was 34 ℃.Our results provide the basis for the subsequent application of M.esteraromaticum in waste disposal.关键词
酯香微杆菌/耐甲醇/絮凝剂/降解油脂Key words
Microbacterium esteraromaticum/tolerable to methanol/flocculant/degradation of oil and grease分类
化学化工引用本文复制引用
张宇宁,鲁政武,王文博,高翠娟,陈之群,刘晶晶..一株耐甲醇的酯香微杆菌的特性研究[J].山东农业大学学报（自然科学版）,2023,54(6):852-857,6.基金项目
山东省自然科学基金(ZR2020QC007) （ZR2020QC007）
中央引导地方科技发展专项资金项目(YDZX2021070) （YDZX2021070）
