山楂酿酒酵母的筛选及其发酵性能测定高清山,邢继德,魏怀生,鲁梅,燕淑海山东潍坊工程职业学院,山东青州26250)0摘要:以山楂为原料,利用平板划线分离法,得酵母9株。利用杜氏小管实验对酵母进行筛选,获得4株发酵力较强酵母。将其进行酒精、酸度、糖度的耐受性试验,表明总体耐受性较好。将其与1450酿酒酵母共同进行发酵性能测定,确定了号酵母是优良菌株。在60mg/LSO和28C的条件下,可酿造出11.3(体积比)酒精度,3.0g/L还原糖,8.1g/L总酸度,0.21澄清度,酒色鲜红、口感纯正、香味浓郁的山楂干红酒。关键词:山楂;酿酒酵母;筛选;发酵特性ScreeningofHawthornSaccharomycesCerevisiaaendMeasurementsofTheirFermentationPerformanceGAOQing-shanX,INGJi-de,WEIHuai-sheng,LUMei,YANShu-hai(WeifangEngineeringVocationalCollege,Qingzhou262500S,handong,hCina)