Bacillus subtilis CICC10012 (B. subtilis), Salmonella enterica WX29 (S. enterica), Staphyloccocus aureus CICC10201 (S. aureus), Bacillus cereus ATCC11778 (B. cereus), Escherichia coli CICC10899 (E. coli), Pseudomonas brenneri CICC10271 (P. brenneri) were purchased from the China Center of Industrial Culture Collection (Beijing, China) and were cultivated in Luria Bertani (LB) broth with aeration at 37 °C. L. rhamnosus YT, preserved by the key laboratory of dairy biotechnology and safety control of Jiangsu province, was isolated from the feces of Bama longevity, Guangxi province, China. L. rhamnosus YT was inoculated in dMRS broth at 37 °C in static condition. The biomass was determined by viable counts [39 (link)].
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