期刊
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY
卷 85, 期 4, 页码 962-971出版社
OXFORD UNIV PRESS
DOI: 10.1093/bbb/zbaa116
关键词
probiotics; Bacillus coagulans; D-value; functional food; LactoSpore((R))
The study showed that Bacillus coagulans MTCC 5856 demonstrated excellent resistance to high temperatures (90 degrees C) and gastric acid, making it suitable for a wide range of functional foods such as milk, fruit juices, chapati, and wheat noodles.
Thermal stability (D-value and pasteurization) and gastric acid resistance of spore forming and nonspore forming probiotic strains were evaluated in this study. Bacillus coagulans MTCC 5856 spores showed highest thermal resistance (D-value 35.71 at 90 degrees C) when compared with other Bacillus strains and Lactobacillus species. B. coagulans strains exhibited significantly higher resistance to simulated gastric juice (pH 1.3, 1.5, and 2.0) compared to Lactobacillus strains. It also showed high resistance to cooking conditions of chapati (whole wheat flour-based flatbread) (88.94% viability) and wheat noodles (and 94.56% viability), suggesting remarkable thermal resistance during food processing. Furthermore, B. coagulans MTCC 5856 retained 73% viability after microwave cooking conditions (300 s, at 260 degrees C) and 98.52% in milk and juice at pasteurization temperature (420 min, at 72 degrees C). Thus, B. coagulans MTCC 5856 clearly demonstrated excellent resistance to gastric acid and high temperature (90 degrees C), thereby suggesting its extended application in functional foods (milk, fruit juices, chapati, and wheat noodles) wherein high temperature processing is involved.
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