Probiotic characterization of Bacillus smithii: Research advances, concerns, and prospective trends

Author:

Zhao Nan1,Huang Xuedi1,Liu Zhongyang1,Gao Yufang1,Teng Jialuo1,Yu Ting1,Yan Fujie1ORCID

Affiliation:

1. Department of Food Science and Nutrition College of Biosystems Engineering and Food Science Zhejiang University Hangzhou China

Abstract

AbstractBacillus smithii is a thermophilic Bacillus that can be isolated from white wine, hot spring soil, high‐temperature compost, and coffee grounds, with various biofunctions and wide applications. It is resistant to both gastric acid and high temperature, which makes it easier to perform probiotic effects than traditional commercial probiotics, so it can maintain good vitality during food processing and has great application prospects. This paper starts with the taxonomy and genetics and focuses on aspects, including genetic transformation, functional enzyme production, waste utilization, and application in the field of food science as a potential probiotic. According to available studies during the past 30 years, we considered that B. smithii is a novel class of microorganisms with a wide range of functional enzymes such as hydrolytic enzymes and hydrolases, as well as resistance to pathogenic bacteria. It is available in waste degradation, organic fertilizer production, the feed and chemical industries, the pharmaceutical sector, and food fortification. Moreover, B. smithii has great potentials for applications in the food industry, as it presents high resistance to the technological processes that guarantee its health benefits. It is also necessary to systematically evaluate the safety, flavor, and texture of B. smithii and explore its biological mechanism of action, which is of great value for further application in multiple fields, especially in food and medicine.

Publisher

Wiley

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