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Technology Medicine

88 Citations2023
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Results suggest that LJ88 is a lactobacillus beneficial to both stomach and intestine as a probiotic and biogenic, which would suggest that no indigenous bacteria beneficial to the stomach have been found to date.

Abstract

Recently, many studies concerning probiotics, prebiotics, and biogenics have been performed, whereas only a few are related to the stomach (about 2% as publication number). In this chapter, we focus on recent studies on probiotics, prebiotics, and biogenics for the stomach and also describe our recent research on a novel strain of lactobacillus beneficial to stomach, Lactobacillus johnsonii No.1088 (LJ88). As probiotics for the stomach, some beneficial strains were summarized, and underlying mechanisms of anti- Helicobacter pylori activity were discussed. Prebiotics for the stomach were considered as a future potential target, since no indigenous bacteria beneficial to the stomach have been found to date. As biogenics, some plant-derived candidates were discussed. In this context, recent results on LJ88 lactobacillus were presented. Orally administered LJ88 inhibited H. pylori growth and the increase in the number of gastrin-producing cells, which side effect is caused by triple therapy for H. pylori . LJ88 had no resistance to typical antibiot‐ ics, and both living and heat-killed forms of it increased the number of bifidobacteria among human intestinal-microbiota in mice. These results suggest that LJ88 is a lactobacillus beneficial to both stomach and intestine as a probiotic and biogenic.