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Influence of lactic acid bacteria on physicochemical indexes,sensory and flavor characteristics of fermented sea buckthorn juice

查看全文 作　　者：Yuanye [1]Liu;Jie [1]Sheng;Jingjing [1]Li;Panling [1]Zhang;Fengxian [1]Tang;Chunhui [1]Shan 高影响力作者 机构地区：[1]School of Food Science,Shihezi University,Xinjiang Autonomous Region,Shihezi,PR China高影响力机构 出　　处：《Food Bioscience》索引2022年第46卷第2期,共9页高影响力期刊 基　　金：This research was supported by Xinjiang Production and Construction Corps Innovation Team Building Projects in Key Areas(2017CB012);Projects of Innovation and Development Pillar Program for Key Industries in Southern Xinjiang of Xinjiang Production and Construction Corps(2018DB002);Young and Middle-aged Leading Talent Project(2020CB025). 摘　　要：Sea buckthorn has been proved to be a good substrate for lactic acid bacteria(LAB),but the research on the fermentation of sea buckthorn juice(SBJ)by LAB is still rare.This study was designed to determine the performance of fermented SBJ(FSBJ)in four LAB and investigate the sensory aspects of FSBJ.The results showed that the utilization rates of reducing sugar,titratable acid,and malic acid of SBJ fermented by Lactobacillus casei(SBJLc)were the highest and that lactic acid content was the greatest.The organic acid compositions of the four kinds of FSBJs were also different.The viable counts of all FSBJs was greater than 7 log CFU/mL,and that the viable count of SBJ fermented by SBJLc was the highest.In this study,the Electronic tongue combined with Electronic nose was used for the first time to study SBJ.Results showed that compared with the control,the response value of Sourness was significantly increased,while Bitterness and Astringency were significantly decreased.There was a significant difference in four FSBJs.The results of the electronic nose showed that SBJ fermented by Lactobacillus plantarum LP56(SBJLp)could be well identified by sensors sensitive to aromatic substances.The volatile compound contents before and after fermentation were significantly different,the highest being SBJLp.Finally,the results of sensory evaluation experiments showed that SBJLp was the most acceptable to consumers in terms of sensory evaluation. 关 键 词：Sea buckthorn juice Electronic senses LACTOBACILLUS Organic acid Sensory evaluation
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