食品与发酵工业2025，Vol.51Issue(17)：40-46,7.DOI:10.13995/j.cnki.11-1802/ts.040963
高产γ-氨基丁酸乳酸菌的筛选及益生特性研究
Research on screening and probiotic characteristics of lactic acid bacteria with high yield of γ-aminobutyric acid
摘要
Abstract
γ-Aminobutyric acid(GABA)has many physiological functions such as lowering blood pressure,anti-anxiety,and impro-ving sleep.Lactic acid bacteria are recognized as safe strains,so it is more advantageous to use them to produce GABA.The purpose of this study was to screen lactic acid bacteria with high yield of GABA from sauerkraut and study their probiotic characteristics.This paper analyzed the growth characteristics,acid production ability,acid resistance and bile salt tolerance,gastrointestinal fluid resistance,self-aggregation ability,and surface hydrophobicity of the strains.The results showed that 6 strains of lactic acid bacteria,isolated from sauerkraut,were identified as Lactiplantibacillus plantarum,Pediococcus pentosaceus,and Lactobacillus buchneri.The GABA yield of L.buchneri C1 was 1.45 g/L,with good growth and acid production.The survival rate of the acid resistance experiment was 83.18％,the survival rate of the bile salt tolerance experiment was 85.11％and the survival rate of the gastrointestinal fluid resistance experiment was 12.30％.L.buchneri C1 had a strong ability to produce GABA and good probiotic characteristics.The study could provide strain resources for the production of GABA by lactic acid bacteria in the future,thus laying a foundation for the development of GABA functional foods.关键词
γ-氨基丁酸/乳酸菌/益生特性/生长特性/耐胆盐能力Key words
γ-aminobutyric acid/lactic acid bacteria/probiotic characteristics/growth characteristics/bile salt tolerance引用本文复制引用
陈颖,高丹丹,杨炫康,王陈晨,王基文,李华鑫,马莎莎,史文艺,周逸希,李祯江..高产γ-氨基丁酸乳酸菌的筛选及益生特性研究[J].食品与发酵工业,2025,51(17):40-46,7.基金项目
甘肃省人才重点项目 （）
甘肃省科学技术协会创新驱动助力工程项目(GXH20240328-3) （GXH20240328-3）
甘肃省重点研发计划项目(24YFFA026) （24YFFA026）
甘肃省青年博士基金项目(2023QB-001) （2023QB-001）
甘肃省陇原青年英才项目 （）
兰州市青年科技人才创新项目(2023-QN-69) （2023-QN-69）
