Studying on the properties of pectin films based on yanang leaves and chitosan
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Keywords:
chitosan
pectin
mechanical strength
water vapor permeability
oxygen transmission rate
Abstract
This study aims to make films and determines some functional packaging properties of pectin-chitosan films with ratios of pectin:chitosan 100:0; 75:25; 50:50; 25:75 and 0:100. The effects of ratios of pectin:chitosan incorporation on the thickness, tensile strength, elongation, water vapor permeability, water solubility, oxygen transmission rate are investigated. The results show that the addition of chitosan to the pectin films with ratio 50:50 increases tensile strength 19.7MPa; reduces water solubility to 9.09%, water vapor permeability of 0.93 g.mm/m2.day.kPa, water vapor transmission rate of 21.34 g/m2.day, oxygen transmission rate of 51.49 cc/m2.day. Especially, pectin-chitosan films inhibit growth of Saccharomyces cerevisiae, Aspergillus niger and E. coli. So pectin-chitosan films with ratio of 50:50 can be used as active packaging film to extend the shelf-life of food.
References
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Published
Nov 30, 2017
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How to Cite
Ngo Thi Minh Phuong, Tran Thi Xo. “Studying on the Properties of Pectin Films Based on Yanang Leaves and Chitosan”. The University of Danang - Journal of Science and Technology, vol. 11, no. 120.1, Nov. 2017, pp. 81-85, https://jst-ud.vn/jst-ud/article/view/3848.
