Intestinal Production of Alpha-Glucosidase Inhibitor by Bacillus coagulans Spores

초록

This study examines the possibility of directly producing and utilizing useful substances in the intestines of animals using anaerobic bacteria that can grow in the intestines of animals. A facultative anaerobe producing a large amount of a-glucosidase inhibitor was isolated from hay and identified and named Bacillus coagulans CC. The main compound of a-glucosidase inhibitor produced by Bacillus coagulans CC was identified as 1-deoxynojirimycin. a-glucosidase inhibitor activity was confirmed in the intestinal contents and feces of mice orally administered with spores of this strain, and it was confirmed that this strain could efficiently reach the intestines, proliferate, and produce a-glucosidase inhibitors. As a result of administering Bacillus coagulans CC to mice at 10(9) cells per 1 kg body weight of spores for 8 weeks, the high-carbohydrate diet and the high-fat diet showed a 5% lower weight gain compared to the non-administrated group. At this point, in the spore-administered group, a decrease was observed in both the visceral and subcutaneous fat layers of the abdomen and thorax in both high-carbohydrate and high-fat diet groups compared to the non-administered group on computed tomography. The results of this study show that a-glucosidase inhibitors produced in the intestine by specific strains can work efficiently.

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