Preparation of Quercetin/Copper Nanoparticles and Their Preservation Performance on <i>Shine Muscat</i> Grapes
Deterioration in fruits represent a significant challenge to food safety, which has prompted our investigation into sustainable fruit preservation technologies. This paper presents the synthesis of quercetin/copper nanoparticles (QC NPs) and their application in the preservation of <i>Shine Mu...
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MDPI AG
2025-03-01
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| author | Kundian Che Zhanjun Chen Luo Weng Baogang Zhou Wei Gao Ran Liu Jialin Yang Haoyuan Luo Wenzhong Hu |
| author_facet | Kundian Che Zhanjun Chen Luo Weng Baogang Zhou Wei Gao Ran Liu Jialin Yang Haoyuan Luo Wenzhong Hu |
| author_sort | Kundian Che |
| collection | DOAJ |
| description | Deterioration in fruits represent a significant challenge to food safety, which has prompted our investigation into sustainable fruit preservation technologies. This paper presents the synthesis of quercetin/copper nanoparticles (QC NPs) and their application in the preservation of <i>Shine Muscat</i> grapes. The QC NPs, prepared through quercetin/copper complexation, exhibited stability with a particle size of 79.4 ± 3.2 nm and a zeta potential of −34.00 ± 4.98 mV. The nanoparticles exhibited robust antioxidant activity and 100% bactericidal effect against <i>E. coli</i> and <i>S. aureus</i> at 0.05 mg/mL, thereby underscoring their potential for use in fruit preservation. The application of a sodium alginate (SA) + QC NP coating to <i>Shine Muscat</i> grapes resulted in an 8.08% reduction in weight loss in comparison to the control, which exhibited a 10.40% reduction. The coating maintained firmness and preserved titratable acid content, thereby extending the storage life of the grapes. These findings position QC NPs as a promising material in eco-friendly and effective fruit preservation, and offer a viable solution to postharvest fruit preservation. |
| format | Article |
| id | doaj-art-742377cc141d43be8f42fd47da89225c |
| institution | DOAJ |
| issn | 1420-3049 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Molecules |
| spelling | doaj-art-742377cc141d43be8f42fd47da89225c2025-08-20T03:08:55ZengMDPI AGMolecules1420-30492025-03-01307143810.3390/molecules30071438Preparation of Quercetin/Copper Nanoparticles and Their Preservation Performance on <i>Shine Muscat</i> GrapesKundian Che0Zhanjun Chen1Luo Weng2Baogang Zhou3Wei Gao4Ran Liu5Jialin Yang6Haoyuan Luo7Wenzhong Hu8College of Life Science, Zhuhai College of Science and Technology, Zhuhai 519040, ChinaCollege of Life Science, Zhuhai College of Science and Technology, Zhuhai 519040, ChinaCollege of Life Science, Zhuhai College of Science and Technology, Zhuhai 519040, ChinaCollege of Life Science, Zhuhai College of Science and Technology, Zhuhai 519040, ChinaCollege of Life Science, Zhuhai College of Science and Technology, Zhuhai 519040, ChinaCollege of Life Science, Zhuhai College of Science and Technology, Zhuhai 519040, ChinaCollege of Life Science, Zhuhai College of Science and Technology, Zhuhai 519040, ChinaCollege of Life Science, Zhuhai College of Science and Technology, Zhuhai 519040, ChinaCollege of Life Science, Zhuhai College of Science and Technology, Zhuhai 519040, ChinaDeterioration in fruits represent a significant challenge to food safety, which has prompted our investigation into sustainable fruit preservation technologies. This paper presents the synthesis of quercetin/copper nanoparticles (QC NPs) and their application in the preservation of <i>Shine Muscat</i> grapes. The QC NPs, prepared through quercetin/copper complexation, exhibited stability with a particle size of 79.4 ± 3.2 nm and a zeta potential of −34.00 ± 4.98 mV. The nanoparticles exhibited robust antioxidant activity and 100% bactericidal effect against <i>E. coli</i> and <i>S. aureus</i> at 0.05 mg/mL, thereby underscoring their potential for use in fruit preservation. The application of a sodium alginate (SA) + QC NP coating to <i>Shine Muscat</i> grapes resulted in an 8.08% reduction in weight loss in comparison to the control, which exhibited a 10.40% reduction. The coating maintained firmness and preserved titratable acid content, thereby extending the storage life of the grapes. These findings position QC NPs as a promising material in eco-friendly and effective fruit preservation, and offer a viable solution to postharvest fruit preservation.https://www.mdpi.com/1420-3049/30/7/1438metal/phenolic networksantibacterialantioxidantfruit preservation technology<i>Shine Muscat</i> grapes |
| spellingShingle | Kundian Che Zhanjun Chen Luo Weng Baogang Zhou Wei Gao Ran Liu Jialin Yang Haoyuan Luo Wenzhong Hu Preparation of Quercetin/Copper Nanoparticles and Their Preservation Performance on <i>Shine Muscat</i> Grapes Molecules metal/phenolic networks antibacterial antioxidant fruit preservation technology <i>Shine Muscat</i> grapes |
| title | Preparation of Quercetin/Copper Nanoparticles and Their Preservation Performance on <i>Shine Muscat</i> Grapes |
| title_full | Preparation of Quercetin/Copper Nanoparticles and Their Preservation Performance on <i>Shine Muscat</i> Grapes |
| title_fullStr | Preparation of Quercetin/Copper Nanoparticles and Their Preservation Performance on <i>Shine Muscat</i> Grapes |
| title_full_unstemmed | Preparation of Quercetin/Copper Nanoparticles and Their Preservation Performance on <i>Shine Muscat</i> Grapes |
| title_short | Preparation of Quercetin/Copper Nanoparticles and Their Preservation Performance on <i>Shine Muscat</i> Grapes |
| title_sort | preparation of quercetin copper nanoparticles and their preservation performance on i shine muscat i grapes |
| topic | metal/phenolic networks antibacterial antioxidant fruit preservation technology <i>Shine Muscat</i> grapes |
| url | https://www.mdpi.com/1420-3049/30/7/1438 |
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