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不同酿酒酵母对脆红李果酒品质的影响

Li LIAO, Xiaoyun MAO, Qiurong WANG, Xutong LU,Yan KONG,Linjun JIANG,Anjun CHEN

Food and Fermentation Industries(2020)

Cited 3|Views8
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Abstract
选取了8种酿酒酵母(AC、KD、2323、BRG、D254、RC212、DV10、安琪)进行脆红李果酒发酵,采用顶空固相微萃取(solid phase micro-extraction,SPME)和气相色谱与质谱联用技术(gas chromatography mass spectrometry,GC-MS)分析脆红李果酒的挥发性风味物质.共检测出73种挥发性风味物质成分,其中酯类29种,醇类12种,醛酮类7种,酸类5种,酚类4种,烃类13种,其他类3种.结果表明,不同菌种发酵的脆红李果酒挥发性风味物质种类及含量各不相同;甲醇质量浓度(<110 mg/L)远低于GB 15037—2006要求;总糖、还原糖、总酸及挥发酸含量的检测结果均符合GB 15037—2006.根据仪器测定和感官评价综合判断,酿酒酵母菌株D254发酵的脆红李果酒风味较好,具有脆红李果酒的典型风格,更适合于脆红李果酒的发酵.
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