TY - JOUR A2 - Chouchani,Chedly AU - 仁,大用AU - 朱,健胃AU - 宫,胜杰AU - 刘,红岩AU - 宇,韩松PY - 2018 DA - 二零一八年十二月三十零日TI - 乳酸的抗菌的特点细菌自制发酵食品SP隔离 - 5416725 VL - 2018 AB - 目的。乳酸菌(LAB)从发酵的食物,如糯米面团,玉米面条,辣椒酱,雪里蕻咸菜,臭豆腐隔离,在中国东北。有抗菌活性乳酸菌菌株筛选,这七个 乳酸杆菌株被确定为 植物乳杆菌 戊糖乳杆菌 副干酪乳杆菌通过16S rRNA基因分析。LAB的上清液用蛋白酶K,胃蛋白酶和木瓜蛋白酶处理后,其抗菌作用几乎消失。大多数菌株具有抗菌活性是高度耐热的(65°C-121℃),酸度(pH为2-6),和醇。与吐温80表面活性剂处理过的大部分菌株的抗微生物效果显著降低,T4的抗菌性,即使丢失了。Ammonium sulfate precipitation, PCR, and nanoLC-ESI-MS/MS results confirmed that T8 produced antibacterial substances belonging to a protein family, and its zone of inhibition against pathogens significantly increased (>13 mm). In bacterial growth inhibition experiments, the colony count of 金黄色葡萄球菌高达1015CFU / mL的在3- 德曼,Rogosa和夏普(MRS)基团,并且该值大于在所述3 S6上清液组(1012CFU / mL)和对照组(1010CFU/mL) at 12 h. This study provided a basis for the selection of antimicrobial peptides and the development and utilization of LAB. SN - 2314-6133 UR - https://doi.org/10.1155/2018/5416725 DO - 10.1155/2018/5416725 JF - BioMed Research International PB - Hindawi KW - ER -