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Review
. 2019 Oct 8;28(5):1297-1305.
doi: 10.1007/s10068-019-00691-9. eCollection 2019 Oct.

Bacillus strains as human probiotics: characterization, safety, microbiome, and probiotic carrier

Na-Kyoung Lee  1 , Won-Suck Kim  2 , Hyun-Dong Paik  1
Affiliations
Review

Bacillus strains as human probiotics: characterization, safety, microbiome, and probiotic carrier

Na-Kyoung Lee et al. Food Sci Biotechnol. .

Abstract

Both spore and vegetative forms of Bacillus species have been used as probiotics, and they have high stability to the surrounding atmospheric conditions such as heat, gastric conditions, and moisture. The commercial Bacillus probiotic strains in use are B. cereus, B. clausii, B. coagulans, B. licheniformis, B. polyfermenticus, B. pumilus, and B. subtilis. These strains have antimicrobial, anticancer, antioxidant, and vitamin production properties. However, Bacillus probiotics can also produce toxins and biogenic amines and transfer antibiotic resistance genes; therefore, their safety is a concern. Studies on the microbiome using probiotic Bacillus strains are limited in humans. Most microbiome research has been conducted in chicken, mouse, and pig. Some Bacillus probiotics are used as fermentation starters in plant and soybean and dietary supplement of baking foods as a probiotic carrier. This review summarizes the characterization of Bacillus species as probiotics for human use and their safety, microbiome, and probiotic carrier.

Keywords: Bacillus probiotic; Characterization; Microbiome; Probiotic carrier; Safety.

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Figures

Fig. 1
Fig. 1
Pictorial representation of Bacillus probiotics for available human use and their functions. The Bacillus probiotics germinate and persist in the small intestine
Fig. 2
Fig. 2
Concise schematic of Bacillus probiotics used in the food industry within various products used as probiotic carriers
See this image and copyright information in PMC

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