期刊名称：Journal of Materials and Environmental Science
印刷版ISSN：2028-2508
出版年度：2018
卷号：9
期号：10
页码：2981-2993
出版社：University of Mohammed Premier Oujda
摘要：In the present study, chitosan (CS), gelatin (GL) and methyl cellulose (MC) filmformulations were incorporated with ascorbic acid (AA) at a concentration of 15%(w/w). The addition of AA increased the transparency value of biopolymer films. Apronounced effect was obtained for CS, of which the transparency value was increasedfrom 0.501 to 1.17 A/mm. A significant improvement in antimicrobial propertyagainst Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) was obtainedin the presence of AA. CS-AA, GL-AA and MC-AA films were applied for the firsttime to preserve cherry tomatoes (Solanum lycopersicum var. cerasiforme) andgrapes (Vitis vinifera). Based on a 14-day preservation study, the aforementionedbiopolymer-AA films were successfully controlled the weight loss and browningindex of both commodities. Overall, results from this study highlight the feasibility ofbiopolymer-AA films to extend the shelf-life of fruits.
