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食品研究与开发:2021,42(11):138-144
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葡萄酒苹果酸-乳酸发酵优良菌株的筛选与发酵性能分析
(1.山东省黄河三角洲野生植物资源工程技术研究中心,山东 滨州 254300;2.滨州学院生物环境与工程学院,山东 滨州 254300;3.山东省黄河三角洲脆弱生态带工程技术研究中心,山东 滨州 254300)
Isolation and Characterization of Autochthonous Oenococcus oeni from A Chinese Native Grape Variety
(1.Shandong Engineering and Technology Research Center for Wild Plant Resources Development and Application of Yellow River Delta,Binzhou 254300,Shangdong,China;2.College of Biological and Environmental Engineering,Binzhou University,Binzhou 254300,Shangdong,China;3.Shandong Engineering and Technology Research Center for Ecological Fragile Belt of Yellow River Delta,Binzhou 254300,Shangdong,China)
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投稿时间:2020-09-18    
中文摘要: 酒球菌是进行苹果酸-乳酸发酵(malolactic fermentation,MLF)的主要微生物,在酿酒工业中占有重要地位。该研究从山东地区栽培广泛的公酿一号葡萄酒中分离出63株微生物,最终获得5个耐酸、耐乙醇的菌株。通过16S rRNA基因序列分析鉴定为酒酒球菌。在发酵性能分析中,菌株GM1039和GM1041在模拟葡萄酒中的降酸能力显著优于对照菌株,且在发酵过程中保持了较高的活细胞数。
Abstract:Oenococcus oeni is the main microorganism undertake malolactic fermentation(MLF),which have an important position in the winemaking industry.In this study,63 strains were isolated from Gongniang No.1,which is widely cultivated in shandong China,and 5 strains with strong tolerance to acid or ethanol were obtained.These strains were identified as Oenococcus oeni according to the 16S rRNA gene sequence analysis.In the analysis of fermentation performance,strain GM1039 and GM1041 showed better deacidification ability than control strain in the simulated wine,and kept a higher number of live cell in the fermentation process.
文章编号:202111023     中图分类号:    文献标志码:
基金项目:国家自然科学青年基金项目(32001659);山东省自然科学基金青年项目(ZR2020QC224);滨州学院科研基金项目(BZXYLG2011)
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