期刊
CARBOHYDRATE POLYMERS
卷 236, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2020.116053
关键词
Carboxymethyl cellulose; Guar gum; Silver nanoparticles; Food pathogenic bacteria; Strawberries
资金
- University Grants Commission (UGC)-Dr. DS Kothari Postdoc Fellowship (DSKPDF) [CH/15-16/0251]
- UGC, New Delhi [F.18-1/2011 (BSR)]
A few fruits have short post-harvest life due to high metabolic activity, relatively high water content vulnerability towards microbes and loss of weight during their storage. Carboxymethyl cellulose (CMC)-Guar gum-silver nanocomposite films (CG-(AgNC)-N-0) are developed to address these issues. The silver nanoparticles were generated in the CMC-Guar gum matrix through a reduction by Mentha leaves extract. All the films were characterized by UV-vis spectroscopy, FT-IR, TGA, XRD, SEM, TEM, and zeta potential measurements. The antimicrobial activity of CG and CG-(AgNC)-N-0 was measured by determining their zone inhibition values with ten food pathogenic microbes. The shelf life of CG-(AgNC)-N-0 films was tested with the model fruit, strawberries, and compared with other packing films. The results are encouraging in terms of freshness, shelf-life and weight loss.
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