Carbon Dots-Enhanced Soy Protein Isolate/Polyvinyl Alcohol Composite Film for Active Preservation of Oxidation-Sensitive Foods.

IF 6 2区 医学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Linlin Zhao, Huinan Jiang, Zhengxuan Han, Wenqin Gu, Bimal Chitrakar, Xiangren Meng
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引用次数: 0

Abstract

Carbon dots perform a variety of functions when they are incorporated into active films synthesized from soy protein isolate/polyvinyl alcohol. The study examined the impact of varying concentrations of carbon dots on the structural, bioactive, and physicochemical properties of composite films. The addition of carbon dots improved the UV-blocking rate (up to 99.64%) with a higher water-barrier property of the films. The films with carbon dot-enhanced antioxidant activities (ABTS was 99.71%, and DPPH was 51.44%) exhibited strong antibacterial activities against Escherichia coli and Staphylococcus aureus. In a hydrophilic environment, the high release rate of carbon dots was found to enhance the biological activity of films. The application of 0.8% composite film resulted in significant shelf-life extension for fresh jujubes, meatballs, and soybean oil. These results demonstrated the feasibility of composite films as an active packaging material.

碳点增强大豆分离蛋白/聚乙烯醇复合膜用于氧化敏感食品的活性保存。
将碳点掺入由大豆分离蛋白/聚乙烯醇合成的活性薄膜中,可发挥多种功能。本研究考察了不同浓度的碳点对复合膜的结构、生物活性和理化性质的影响。碳点的加入提高了膜的紫外线阻隔率(达99.64%),并提高了膜的水阻隔性能。碳点增强膜的抗氧化活性(ABTS为99.71%,DPPH为51.44%)对大肠杆菌和金黄色葡萄球菌具有较强的抗菌活性。在亲水性环境下,碳点的高释放率提高了薄膜的生物活性。应用0.8%复合膜可显著延长鲜枣、肉丸和大豆油的保质期。这些结果证明了复合薄膜作为活性包装材料的可行性。
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来源期刊
Antioxidants
Antioxidants Biochemistry, Genetics and Molecular Biology-Physiology
CiteScore
10.60
自引率
11.40%
发文量
2123
审稿时长
16.3 days
期刊介绍: Antioxidants (ISSN 2076-3921), provides an advanced forum for studies related to the science and technology of antioxidants. It publishes research papers, reviews and communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files and software regarding the full details of the calculation or experimental procedure, if unable to be published in a normal way, can be deposited as supplementary electronic material.
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