Low-Molecular-Weight Peptides Prepared from Hypsizygus marmoreus Exhibit Strong Antioxidant and Antibacterial Activities
文献类型： 外文期刊
作者： Zhou, Shaoxiong 1 ; Xiao, Zheng 2 ; Sun, Junzheng 2 ; Li, Longxiang 2 ; Wei, Yingying 1 ; Yang, Mengjie 1 ; Yang, Yanrong 2 ; Chen, Junchen 2 ; Lai, Pufu 2 ;
作者机构： 1.Fujian Agr & Forestry Univ, Coll Food Sci, Fuzhou 350002, Peoples R China
2.Fujian Acad Agr Sci, Inst Food Sci & Technol, Fuzhou 350003, Peoples R China
3.Natl R&D Ctr Edible Fungi Proc, Fuzhou 350003, Peoples R China
4.Minist Agr & Rural Affairs, Coconstruct Minist & Prov, Key Lab Subtrop Characterist Fruits, Vegetables & Edible Fungi Proc, Fuzhou 350003, Peoples R China
关键词： Hypsizygus marmoreus; peptides; antioxidant; antibacterial
期刊名称：MOLECULES （ 影响因子：4.2； 五年影响因子：4.6 ）
ISSN：
年卷期： 2024 年 29 卷 14 期
页码：
收录情况： SCI
摘要： Hypsizygus marmoreus has abundant proteins and is a potential source for the development of bioactive peptides. However, currently, the research on the bioactive components of H. marmoreus mainly focuses on polysaccharides, and there is no relevant research on the preparation of bioactive peptides. In this article, an ultrasound-assisted extraction method was used to extract proteins from H. marmoreus, and then, four peptides with different molecular weight ranges were prepared through protease hydrolysis and molecular classification. The antioxidant and antibacterial activities were also studied. Under the optimal conditions, the extraction rate of H. marmoreus proteins was 53.6%. Trypsin exhibited the highest hydrolysis rate of H. marmoreus proteins. The optimal parameters for enzymatic hydrolysis were a substrate concentration of 3.7%, enzyme addition of 5700 U/g, pH value of 7, extraction temperature of 55 degrees C, and time of 3.3 h. Under these conditions, the peptide yield was 59.7%. The four types of H. marmoreus peptides were prepared by molecular weight grading. Among them, peptides with low molecular weight (<1 kDa) had stronger antioxidant and antibacterial activities. This study provides a theoretical basis for the efficient preparation of H. marmoreus peptides and the development of antioxidant and antibacterial peptide products.
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