LACTOBACILLUS ACIDOPHILUS A12 HAVING GASTRIC JUICE-RESISTANCE, BILE ACID-RESISTANCE AND PRODUCING INTERLEUKIN 1alpha;AND ITS USE

摘要

A probiotic Lactobacillus acidophilus A12 isolated from feces of chicken is provided to show resistance against gastric juice and bile acid and produce interleukin-1alpha, one of immune regulating materials, excellently. A Lactobacillus acidophilus A12 strain derived from feces of chicken is deposited as a deposition no. KCCM 10791P and has characteristics of having gastric juice resistance, bile acid resistance, nisin resistance, gentamycin resistance and erythromycin resistance, producing interleukin 1-alpha, beta-galactosidase, alpha-glucosidase, beta-glucosidase, and N-acetyl-beta-glucosamidase and not producing beta-glucuronidase, A feed adding composition comprises the Lactobacillus acidophilus A12 strain as an effective ingredient.