Green fabrication of biomass-derived carbon dots and bio-based coatings: Potential of enhancing postharvest quality on Chinese flowering cabbage
文献类型： 外文期刊
作者： Ban, Zhaojun 1 ; Jin, Linxuan 1 ; Zhang, Yueyue 1 ; Chen, Haobin 1 ; Li, Houxue 3 ; Chen, Feiping 4 ; Liu, Lingling 1 ; Abddollahi, Mehdi 5 ;
作者机构： 1.Zhejiang Univ Sci & Technol, Zhejiang Prov Collaborat Innovat Ctr Agr Biol Reso, Sch Biol & Chem Engn, Zhejiang Prov Key Lab Chem & Biol Proc Technol Far, Hangzhou 310023, Peoples R China
2.Hangzhou FoodSci Agr Technol Co Ltd, Hangzhou 310051, Peoples R China
3.Ningxia Xianfeng Agr Dev Co Ltd, Yinchuan 750200, Peoples R China
4.Guangdong Acad Agr Sci, Sericultural & Agrifood Res Inst, Key Lab Funct Foods, Guangdong Key Lab Agr Prod Proc,Minist Agr & Rural, Guangzhou 510610, Peoples R China
5.Chalmers Univ Technol, Dept Biol & Biol Engn, SE-41296 Gothenburg, Sweden
关键词： Carbon dot; Sericin; Chitosan quaternary ammonium salt; Bio-based coating
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： The objective of this study was to develop a bio-nanocomposite coating (CQSC) by combining chitosan quaternary ammonium salt (CQAS) and sericin (SC) with biomass-derived carbon dots (CDs) to extend the shelf life of Chinese flowering cabbage (CFC). The effects of different concentrations of CDs (0.2, 0.4, 0.6, 0.8, and 1.0 mg/ mL) on the physicochemical, structural, and functional activity of nanocomposite particles were evaluated. CQAS exhibited strong inhibitory effects against Escherichia coli and Bacillus subtilis. Moreover, the application of CQSC on CFC significantly reduced mass losses, slowed the increase in lignin content, maintained ascorbic acid and chlorophyll levels, inhibited the growth of microorganisms, and preserved the unique texture and aroma of CFC during storage at 10 degrees C compared with uncoated CFC. The results will contribute to the further development of CDs coatings to improve the postharvest preservation effect of fruits and vegetables.
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