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食品研究与开发:2019,40(15):171-176
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除膻菌株的功能性分析
(贵州大学酿酒与食品工程学院,贵州 贵阳 550025)
Functional Analysis of Degrading Astringence Strains
(School of Liquor and Food Engineering,Guizhou University,Guiyang 550025,Guizhou,China)
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投稿时间:2019-04-28    
中文摘要: 将4 株具有除膻效果的霉菌进行功能性分析、包括脂肪酶活力测定试验、生长曲线的测定、产H2S 和产生物胺测定试验、抑菌试验、耐盐性和耐亚硝酸盐性试验、拮抗试验与复配试验。结果表明,菌株THZ1、TZH3、TZH4 和4QT3 的脂肪酶活力分别为 4.35、2.34、3.62、2.63 U/mL。4 株菌均不产 H2S,菌株 4QT3 产生物胺,其余 3 株菌不产生物胺。菌株TZH3 和TZH4 的抑菌能力、耐盐性和耐亚硝酸盐性较好。最终选择TZH3 和TZH4 进行拮抗试验及复配试验。结果显示,菌株TZH3 和THZ4 不具有拮抗作用,当TZH3 和TZH4 的复配体积比为1 ∶1 时,生长情况较优。
中文关键词: 霉菌  除膻  脂肪酶  酶活力  生物胺  功能性分析
Abstract:Functional analysis of 4 molds with degrading astringence was carried out,including lipase activity test,growth curve test,H2S and biogenic amine production test,bacteriostatic test,salt and nitrite tolerance test,antagonist test and compound test.The results showed that the lipase activities of THZ1,TZH3,TZH4 and 4QT3 were 4.35,2.34,3.62 U/mL and 2.63 U/mL.None of the four strains produced H2S,strain 4QT3 produced amines and the other 3 strains did not produce amines.TZH3 and TZH4 have better antibacterial,salt and nitrite tolerance.Finally,TZH3 and TZH4 were selected for antagonistic test and compound test.The results showed that TZH3 and THZ4 did not have antagonistic effects.When the compounding ratio of TZH3 and TZH4 was 1 ∶1,the growth was better.
文章编号:201915029     中图分类号:    文献标志码:
基金项目:贵州省科技计划项目(黔科合成果[2019]4227 号);贵州省重大科技专项计划项目(黔科合重大专项字[2016]3002 号);贵州省科技计划项目(黔科合平台人才[2018]5781 号)
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