Bioconversion of agriculture by-products with functionally enhanced Streptomyces sp. SCUT-3: Fish skin as a model
文献类型： 外文期刊
作者： Ni, Jing-Tao 1 ; Zhang, Ming-Shu 1 ; Lu, De-lin 1 ; Lu, Wen-jun 1 ; Wu, Lei 1 ; Yang, Zhen-dong 1 ; Qin, Can 1 ; Dai, Zhen-jie 1 ; Li, Zhi-wei 1 ; Feng, Wen-jing 1 ; Cai, Hua-hong 1 ; Zhang, Jia-rui 1 ; Liang, Chu-yan 1 ; Deng, Jun-jin 2 ; Luo, Xiao-Chun 1 ;
作者机构： 1.South China Univ Technol, Guangzhou Higher Educ Mega Ctr, Sch Biol & Biol Engn, Guangzhou 510006, Guangdong, Peoples R China
2.Guangdong Acad Agr Sci, Agrobiol Gene Res Ctr, State Key Lab Swine & Poultry Breeding Ind, Guangdong Key Lab Crop Germplasm Resources Conserv, Guangzhou 510640, Peoples R China
关键词： Collagen hydrolysates; Bioconversion; Oligopeptide; Anti-aging; Anti-inflammation
期刊名称：FOOD CHEMISTRY （ 影响因子：9.8； 五年影响因子：9.7 ）
ISSN： 0308-8146
年卷期： 2025 年 463 卷
页码：
收录情况： SCI
摘要： With the global population continuously rising, efficient bioconversion of inedible agricultural by-products is crucial for human food and energy sustainability. We here propose solid-state fermentation approaches to efficiently convert biopolymers into oligomers/monomers by accelerating the natural degradation process of the versatile Streptomyces sp. strain SCUT-3. Using fish skin as a representative by-product, 54.3 g amino acids and 14.7 g peptides (91 % < 2500 Da) were recovered from 89.0 g protein in 100 g tilapia skin sample by collagenase-overexpressed SCUT-3 for seven days at a 1:4 substrate:liquid ratio. Fish skin collagen hydrolysates exhibited excellent anti-oxidation, anti-hypertension, scratch-repairing, anti-aging, anti-ultraviolet radiation, and anti-inflammation effects on human skin fibroblasts In vitro and zebrafish larvae in vivo, indicating their potential applications in healthcare/skincare and anti-atopic dermatitis. As Laozi said, the divine law follows nature. This study underscores the efficacy of genetically engineered SCUT-3 according to its natural biomass utilization laws in large-scale biopolymer conversion.
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