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Development and characterization of semi-refined carrageenan (SRC) films from Eucheuma cottonii incorporated with glycerol and α-tocopherol for active food packaging application

K. H. A., Hamid and N. A. Z. M., Saupy and Norashikin, Mat Zain and Siti Kholijah, Abdul Mudalip and Shalyda, Md Shaarani and Nurul Aini, Mohd Azman (2018) Development and characterization of semi-refined carrageenan (SRC) films from Eucheuma cottonii incorporated with glycerol and α-tocopherol for active food packaging application. In: 5th International Conference on Process Engineering and Advanced Materials (ICPEAM 2018), 13-14 August 2018 , Kuala Lumpur. pp. 1-9., 458 (1). ISSN 1757-8981 (Print), 1757-899X (Online)

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Abstract

This works focuses on the development of biodegradable active films packaging using all natural compounds with the aim of contributing sustainable film not only by reducing the plastic waste to environment but also as a potential substitute of synthetic preservative in food. Active film packaging was formulated using semi-refined carrageenan (SRC) biopolymer extracted from Eucheuma cottoniiplasticized with glycerol (G) and incorporated with different concentrations of α-tocopherol (Tp) at 0.1, 0.2, 0.3 and 0.4% v/v as natural antioxidants. Opacity, water solubility and mechanical properties of the resultant film were analysed whereas the migration behaviour of antioxidant films into food simulant during 30 days storages were determined using total phenolic content and DPPH assay. The addition of Tp in SRC + G film decreased the tensile strength but increased the value of elongation at break significantly (p<0.05). Opacity and water solubility were improved with increasing concentration of Tp (p<0.05). The highest and prolonged release of antioxidant to food simulant was determined by SRC+G+Tp0.4% through 30 day storage with total phenolic content value of 2 mg GAE/L sample and 88.59% inhibition for DPPH assay. Hence, the new formulation of SRC+G with tocopherol could be an alternative degradable active packaging that might reduce the need of adding antioxidants directly into food products and also prolong the food shelf life.

Item Type: Conference or Workshop Item (Lecture)
Additional Information: Indexed by SCOPUS
Uncontrolled Keywords: Antioxidants; Biodegradable polymers; Food products; Glycerol; Mechanical properties
Subjects: T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 05 Apr 2019 07:00
Last Modified: 05 Apr 2019 07:00
URI: http://umpir.ump.edu.my/id/eprint/24360
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