ENZYMATIC ACTIVITY AND ANTIBIOTIC RESISTANCE PROFILE OF LACTOBACILLUS PARACASEI SSP. PARACASEI-1 ISOLATED FROM REGIONAL YOGURTS OF BANGLADESH

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December – January 2013/14, vol. 3, no. 3
pages: 235-239
Article type: Microbiology of Microbiology
Abstract: Lactobacillus paracasei ssp. paracasei-1 was identified from traditional yogurts of Khulna region, Bangladesh and its enzyme and antibiotic resistance profiles were determined. A commercially available API Zym kit was employed to determine the activities of 19 different enzymes. We found that L. paracasei ssp. paracasei-1 showed strong activities for several enzymes, viz. leucine arylamidase, valine arylamidase, napthol-AS-BI-phosphohydrolase, β-galactosidase, α –Glucosidase, N-Acetyl- β- glucosaminidase while activities for other enzymes were absent. Antibiotic resistance profile was assessed by minimum inhibitory concentration (MIC) test for 61 major antibiotics and 4 antifungal agents obtained from commercial sources in MRS Agar media. The strain generally showed resistance to gram negative spectrum antibiotic while it showed susceptibility towards β-lactam antibiotic to gram positive spectrum antibiotic. The findings provide the therapeutic basis of using L. paracasei ssp. paracasei-1 in finished food products.
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