Production of a novel lycopene-rich soybean food by fermentation with Bacillus amyloliquefaciens
文献类型： 外文期刊
作者： Zou, Dian 1 ; Ye, Changwen 3 ; Min, Yu 1 ; Li, Lu 4 ; Ruan, Liying 1 ; Yang, Zhifan 2 ; Wei, Xuetuan 1 ;
作者机构： 1.Huazhong Agr Univ, Coll Food Sci & Technol, Wuhan 430070, Peoples R China
2.Hubei Univ, Sch Life Sci, State Key Lab Biocatalysis & Enzyme Engn, Wuhan 430062, Peoples R China
3.China Natl Tobacco Corp, Zhengzhou Tobacco Res Inst, Zhengzhou 450001, Peoples R China
4.Guangdong Acad Agr Sci, Sericultural & Agrifood Res Inst, Guangdong Key Lab Agr Prod Proc, Guangzhou 510610, Peoples R China
关键词： Fermented soybean; Lycopene; B; amyloliquefaciens; Antioxidant ability; Anticoagulant activity
期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.056； 五年影响因子：6.295 ）
ISSN： 0023-6438
年卷期： 2022 年 153 卷
页码：
收录情况： SCI
摘要： Fermented soybean is abundant in nutrients and bioactive ingredients. Lycopene has been reported to decrease oxidative damage, inhibit tumorigenesis, and protect cardiovascular system. In this study, three key genes (crtE, crtI, crtB) involved in lycopene synthesis were co-expressed in Bacillus amyloliquefaciens HZ-12, resulting in a lycopene producing strain HZ-12/pHYcrtEIB. This strain was used to ferment soybean, and the fermentation conditions were optimized. The highest lycopene concentration (7.3 mg/kg) was achieved at 37 degrees C and initial moisture content of 60%, and the lycopene endowed the red appearance for fermented soybean. Accordingly, the accumulated lycopene significantly improved the antioxidant activity of fermented soybean. Moreover, the fermented soybean showed potent anticoagulant activity, and the anticoagulant activity almost reached 100% when the concentration of soybean extract was 0.4 mg/mL. This study modified B. amyloliquefaciens to produce a novel fermented soybean food with appealing red color and multiple bioactivities, which provided a new and simple strategy for enhancing the functionality of soybean.
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