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食品研究与开发:2018,39(5):151-155
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桑葚果酒酵母菌的筛选及其发酵性能研究
曹培杰1,2,马剑1,崔晋1,马艳弘2,*
(1.山西农业大学食品科学与工程学院,山西晋中030901;2.江苏省农业科学院农产品加工研究所,江苏南京210014)
Study on the Screening and Fermentation Performance of Mulberry Wine Yeast
CAO Pei-jie1,2,MA Jian1,CUI Jin1,MA Yan-hong2,*
(1.College of Food Science and Engineering,Shanxi Agricultural University,Jinzhong 030901,Shanxi,China;2.Institute of Agricultural Products Processing,Jiangsu Academy of Agricultural Science,Nanjing 210014,Jiangsu China)
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投稿时间:2017-08-22    
中文摘要: 为筛选出适宜桑葚果酒酿造的酵母菌株,以从自然发酵桑葚果酒中分离到的12株酵母菌为出发菌株,采用YPD液体培养基,通过杜氏管发酵法初筛选性能优良的酵母菌株,并进一步检测该菌株在桑葚汁中的发酵性能。结果显示,菌株SG3-2产气效果好,耐酸、耐酒精、耐SO2能力强。该菌株的最适发酵条件为:温度为28℃,pH值为4.0~4.5,SO2浓度为100 mg/L,酒精浓度为14%。
中文关键词: 酵母菌  筛选  发酵特性  生长曲线
Abstract:In order to select the suitable yeast strain for brewing mulberry wine,12 strains of yeast strain were isolated from natural fermented mulberry wine by YPD liquid medium,initial screening of yeast strains with excellent performance through durham tube fermentation method,and further test the fermentation properties of the strains in the mulberry juice.The results suggested that the strain of SG3-2 was screened owing to its strong endurance acidity,ethanol and SO2.The optimal fermentation conditions were:the temperature of 28 ℃,pH value of 4.0 to 4.5,the concentration of sulfur dioxide of 100 mg/L and alcohol of 14%,respectively.
文章编号:201805027     中图分类号:    文献标志码:
基金项目:江苏省农业科学院院基金项目(6111682)
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