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中国精品科技期刊2020
王荣荣, 刘坤峰, 朱静, 王梦楠. 野生猕猴桃酿酒酵母的筛选及其发酵特性[J]. 食品工业科技, 2018, 39(16): 115-119. DOI: 10.13386/j.issn1002-0306.2018.16.021
引用本文: 王荣荣, 刘坤峰, 朱静, 王梦楠. 野生猕猴桃酿酒酵母的筛选及其发酵特性[J]. 食品工业科技, 2018, 39(16): 115-119. DOI: 10.13386/j.issn1002-0306.2018.16.021
WANG Rong-rong, LIU Kun-feng, ZHU Jing, WANG Meng-nan. Yeast Selection and Its Fermentation Characteristics for Wild Kiwi Wine[J]. Science and Technology of Food Industry, 2018, 39(16): 115-119. DOI: 10.13386/j.issn1002-0306.2018.16.021
Citation: WANG Rong-rong, LIU Kun-feng, ZHU Jing, WANG Meng-nan. Yeast Selection and Its Fermentation Characteristics for Wild Kiwi Wine[J]. Science and Technology of Food Industry, 2018, 39(16): 115-119. DOI: 10.13386/j.issn1002-0306.2018.16.021

野生猕猴桃酿酒酵母的筛选及其发酵特性

Yeast Selection and Its Fermentation Characteristics for Wild Kiwi Wine

  • 摘要: 以大别山野生猕猴桃为原料,经由猕猴桃汁初筛,YEPD培养基复筛获得酵母菌株。通过WL培养基观测形态,采用杜氏管发酵法、猕猴桃果汁发酵法等进行发酵能力评估,并进行了耐受性研究,然后对其酿酒特性进行测定,通过监测猕猴桃酒的发酵情况变化、测定酒液的酒精度、总酸以及澄清度、香味、口感等感官指标,筛选出最佳酿酒酵母。结果表明:M5菌株发酵活力强,可耐受14%vol的酒精度、300 g/L的糖和300 mg/L SO2,发酵周期短、酒液清澈、酸度为0.8 g/100 mL,酒精度可达9.8%Vol,VC含量可达40.8 mg/100 mL,感官品质在五株菌中最佳,有望驯化为酿造猕猴桃酒的优良酵母。

     

    Abstract: The yeast strains were obtained through kiwi fruit culture medium and the culture of the YEPD medium from the wild kiwis in the Dabie Mountain. Strains were screened by color variation in WL medium. The strains which had good fermentation ability were selected by Durham tube test and kiwifruit juice fermentation. The fermentation conditions were determined by the method of re-screening the kiwis,and the change of the fermentation condition,alcohol content,total acid and clarity,fragrance,taste and other sensory indicators,screening out the best Saccharomyces cerevisiae. It showed that M5 had a good tolerance to 14%vol content of alcohol,300 g/L sugar and 300 mg/L SO2.The fermentation period was short. The liquor was clear with 0.8 g/100 mL acidity,9.8%vol alcohol content and 40.8 mg/100 mL VC. The result showed M5 strain was better than other strains by sensory evaluation and it was hoped that M5 strain would be domesticated as a good kiwi wine yeast.

     

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