Preparation of edible antibacterial films based on corn starch /carbon nanodots for bioactive food packaging
Copyright © 2024. Published by Elsevier Ltd..
Packaging plays an important role in protecting food from environmental impacts. However, traditional petroleum-based packaging has difficulty in meeting the antimicrobial and antioxidant requirements of prepared foods. This study introduced carbon dots (CDs), prepared by using carrot as a precursor, into corn starch (CS) to construct a bio-friendly composite film with high freshness retention properties. The scavenging of DPPH radicals reached 92.77 % at a CDs concentration of 512 µg/mL, and the antimicrobial activity of CS/5% CDs against Escherichia coli and Staphylococcus aureus was increased to 99.9 %. Notably, the homogeneous doping of CDs creates a dense surface and high carbon content inside the film, which promotes the elasticity and thermal stability of the composite film. Finally, we encapsulated deep-fried meatballs in CS-CDs films. The results showed that the CS-CDs films effectively protected the quality of deep-fried meatballs, and have excellent potential for application in food preservation.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:444 |
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| Enthalten in: |
Food chemistry - 444(2024) vom: 30. März, Seite 138467 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wu, Yuqing [VerfasserIn] |
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| Links: |
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| Themen: |
9005-25-8 |
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| Anmerkungen: |
Date Completed 11.03.2024 Date Revised 11.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.foodchem.2024.138467 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM367985632 |
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2024. Published by Elsevier Ltd. | ||
| 520 | |a Packaging plays an important role in protecting food from environmental impacts. However, traditional petroleum-based packaging has difficulty in meeting the antimicrobial and antioxidant requirements of prepared foods. This study introduced carbon dots (CDs), prepared by using carrot as a precursor, into corn starch (CS) to construct a bio-friendly composite film with high freshness retention properties. The scavenging of DPPH radicals reached 92.77 % at a CDs concentration of 512 µg/mL, and the antimicrobial activity of CS/5% CDs against Escherichia coli and Staphylococcus aureus was increased to 99.9 %. Notably, the homogeneous doping of CDs creates a dense surface and high carbon content inside the film, which promotes the elasticity and thermal stability of the composite film. Finally, we encapsulated deep-fried meatballs in CS-CDs films. The results showed that the CS-CDs films effectively protected the quality of deep-fried meatballs, and have excellent potential for application in food preservation | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Antibacterial | |
| 650 | 4 | |a Antioxidant | |
| 650 | 4 | |a Carbon dots | |
| 650 | 4 | |a Corn starch | |
| 650 | 4 | |a Film | |
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| 650 | 7 | |a 9005-25-8 |2 NLM | |
| 650 | 7 | |a Chitosan |2 NLM | |
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| 650 | 7 | |a Anti-Bacterial Agents |2 NLM | |
| 650 | 7 | |a Anti-Infective Agents |2 NLM | |
| 700 | 1 | |a Zhang, Junjun |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Xuetao |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Xiaowei |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Xinai |e verfasserin |4 aut | |
| 700 | 1 | |a Zou, Xiaobo |e verfasserin |4 aut | |
| 700 | 1 | |a Shi, Jiyong |e verfasserin |4 aut | |
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