INVESTIGATION OF ENZYMATIC ACTIVITY OF PROBIOTIC STRAINS LACTOBACILLUS CASEI AND BACILLUS SUBTILIS

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MOHAMMADI MAHSA; Ghaemi Naser

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Seminar Paper

Paper Information

Seminar: CONFERENCE ON RECENT RESEARCH IN SCIENCE AND TECHNOLOGY
Year:2020 | Issue:19

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Title

INVESTIGATION OF ENZYMATIC ACTIVITY OF PROBIOTIC STRAINS LACTOBACILLUS CASEI AND BACILLUS SUBTILIS

Author(s)

MOHAMMADI MAHSA | Ghaemi Naser

Keywords

PROBIOTICS

β-GALACTOSIDASE

α-AMYLASE

BACILLUS SUBTILIS

LACTOBACILLUS CASEI

Abstract

LACTIC ACID BACTERIA, OF WHICH HALF OF THE FINAL PRODUCTS OF GLUCOSE FERMENTATION ARE LACTIC ACID, ARE NAMED LACTOBACILLUS. THESE BACTERIA ARE THE MAIN COMPONENTS OF THE MICROBIAL FLORA OF FERMENTED DAIRY PRODUCTS. IN THIS STUDY, THE ENZYMATIC ACTIVITY OF PROBIOTIC BACTERIA BACILLUS SUBTILIS AND LACTOBACILLUS CAESI WAS STUDIED. BACILLUS SUBTILIS BACTERIA WERE CULTURED ON BROTH NUTRIENT CULTURE MEDIA, MRS BROTH, MRS BROTH + GLUCOSE, MRS BROTH + LACTOSE, LACTOSE BROTH AND TSB. THE RESULTS OF THIS STUDY INDICATE THAT BACILLUS SUBTILIS BACTERIA IS HIGHLY CAPABLE OF PRODUCING α-AMYLASE ENZYME. THE SPECIFIC CULTURE MEDIUM OF BACILLUS SUBTILIIS IS TRYPTIC BRACHYCEA AND TRYBETHIC AGAR. HOWEVER, THIS BACTERIUM HAS GROWN WELL IN MOST OF THE CULTURE MEDIA STUDIED. THE CULTURE MEDIUM IS SPECIFIC FOR LACTOBACILLUS CASEI MRS, AND THE BEST GROWTH OF THIS BACTERIUM WAS OBSERVED IN THE MRS MEDIUM CONTAINING LACTOSE GLUCOSE. BY APPLYING STRESS CONDITIONS, THE SECRETION OF THE ENZYMES OF THIS BACTERIUM INCREASED IN THE MEDIUM. LACTOBACILLUS CASEI DID NOT SHOW ANY GROWTH ON THE MCCANKY AGAR CULTURE MEDIA.

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APA: Copy

MOHAMMADI, MAHSA, & Ghaemi, Naser. (2020). INVESTIGATION OF ENZYMATIC ACTIVITY OF PROBIOTIC STRAINS LACTOBACILLUS CASEI AND BACILLUS SUBTILIS. INTERNATIONAL CONFERENCE ON RECENT RESEARCH IN SCIENCE AND TECHNOLOGY. SID. https://sid.ir/paper/949484/en

Vancouver: Copy

MOHAMMADI MAHSA, Ghaemi Naser. INVESTIGATION OF ENZYMATIC ACTIVITY OF PROBIOTIC STRAINS LACTOBACILLUS CASEI AND BACILLUS SUBTILIS. 2020. Available from: https://sid.ir/paper/949484/en

IEEE: Copy

MAHSA MOHAMMADI, and Naser Ghaemi, “INVESTIGATION OF ENZYMATIC ACTIVITY OF PROBIOTIC STRAINS LACTOBACILLUS CASEI AND BACILLUS SUBTILIS,” presented at the INTERNATIONAL CONFERENCE ON RECENT RESEARCH IN SCIENCE AND TECHNOLOGY. 2020, [Online]. Available: https://sid.ir/paper/949484/en

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