摘要
This study investigated the probiotic properties,functional activities and fermentation performances of Ped-iococcus pentosaceus JS91(JS91)and Pediococcus pentosaceus JS96(JS96).The results of probiotic properties showed that JS91 and JS96 possessed gastrointestinal tolerance,aggregation and antimicrobial activities.Functional activity results found that the cell-free supernatants of JS91 and JS96 showed good antioxidant ac-tivity.Meanwhile,the two strains exhibited cholesterol degrading ability.The fermentation performance results showed that JS91 and JS96 could produce acid,grow steadily in pear juice,decrease the pH value and increase the titratable acidity of fermented pear juice.Moreover,JS91 and JS96 could enhance the superoxide anion radical scavenging activity and total antioxidant capacity of the fermented pear juice.Sensory evaluation results showed that JS91 and JS96 could improve the overall acceptability of fermented pear juice.The present findings could provide valuable information for the application of JS91 and JS96 as functional starter cultures in fer-mented foods.
基金
supported by modern agricultural key research and development of Jiangsu province(BE2022333),China
high-level talent research start-up funds of Yangzhou University(5024-137011839),China.
