INFLUENCE OF L. PARACASEI SPP. PARACASEI BN ATC 8W ON THE GROWTH OF E. СOLI IN SKIMMED MILK

Vusala Sh. Zulfigarova, Saib Q. Gulahmadov
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引用次数: 0

Abstract

The bacteriocinogenic strain Lactobacillus paracasei spp. paracasei BN ATC 8w was isolated from traditional «Motal» cheese and has strong antimicrobial activity against some Gram-positive and Gram-negative bacteria. The in situ activity of the strain was studied in skimmed milk against E. coli ATCC 25922 for 24 hours. Cooperative cultivation of the active strain L. paracasei spp. paracasei BN ATC 8w with E. coli ATCC 25922 сells in skimmed milk at a concentration of OD 0.28 after 24 hours (300C) led to a decrease up to almost 50% of the concentration of E. coli, which was found in the absence of an active strain in the medium. This indicates the in situ efficiency of the L. paracasei spp. paracasei BN ATC 8w in skim milk for the biological protection of dairy products from opportunistic pathogens.
副干酪乳杆菌对脱脂乳中e . Сoli生长的影响
产菌菌株副干酪乳杆菌BN ATC 8w从传统«Motal»奶酪中分离得到,对革兰氏阳性菌和革兰氏阴性菌均有较强的抑菌活性。在脱脂牛奶中研究了菌株对大肠杆菌ATCC 25922的原位活性24小时。与大肠杆菌ATCC 25922细胞合作培养活性菌株L. paracasei spp. paracasei BN ATC 8w, OD浓度为0.28,在脱脂牛奶中(300℃)培养24小时后,大肠杆菌的浓度下降了近50%,这是在培养基中没有活性菌株的情况下发现的。这表明了副干酪乳杆菌BN ATC 8w在脱脂牛奶中对乳制品的生物保护作用。
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来源期刊
Pharmacy World & Science
Pharmacy World & Science 医学-药学
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