Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 213, Issue -, Pages 621-630Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2022.05.145
Keywords
In-situ synthesis; Absorbent pad; Fresh meat preservation
Funding
- National Natural Science Foundation of China [31972099, 32172143]
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Bacterial cellulose was used as a reinforcing agent in the development of antibacterial aerogels, which showed potential for extending the shelf life of fresh meat.
Bacterial cellulose (BC) was used as a reinforcing agent, citric acid (CA) as a cross-linking agent, and CMC@AgNPs as antibacterial nanomaterials, in which CMC@AgNPs were reduced from AgNO3 in situ by carboxymethyl cellulose (CMC) as a reducing agent and stabilizer to fight microbial corruption. Its potential application in packaging fresh meat has been investigated. Results showed that the antibacterial CMC@AgNPs/ BC/CA aerogels with excellent structural integrity and outstanding water absorption were developed by adding 0.3% BC and 0.25% CA. The CMC@AgNPs/BC/CA aerogel significantly reduced the color change and the total viable bacterial counts (TVC) in fresh meat after 7 days of refrigerated storage. The results indicated that CMC@AgNPs/BC/CA aerogels can effectively extend the shelf life of fresh meat, and can be used for meat packaging as a biologically active absorption pad.
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