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Functional and antioxidant properties of protein-based films incorporated with mango kernel extract for active packaging


Zainal Arifin, Maryam 'Adilah and Bakar, Jamilah and Zainal Abedin, Nur Hanani (2018) Functional and antioxidant properties of protein-based films incorporated with mango kernel extract for active packaging. Food Hydrocolloids, 74. 207 - 218. ISSN 0268-005X


This research is focused on developing active packaging by using food industries’ by-products. Soy protein isolate (SPI) and fish gelatin (FG) were used as the sources of biopolymers and different concentrations of mango kernel extracts (MKE) from 1 to 5% were added as natural antioxidants. Thicker and more translucent films (p < 0.05) were produced when a greater concentration of MKE was incorporated in both films. The mechanical test revealed that the addition of MKE increased the tensile strength of both films (p < 0.05), with higher tensile strength recorded in FG films than in SPI films. The incorporation of MKE significantly (p < 0.05) decreased the water solubility up to 22 and 33%, in FG and SPI films, respectively. The water vapor permeability (WVP) of SPI with the incorporation of MKE improved up to 10%. In contrast, FG films incorporated with MKE showed higher WVP in comparison with the control. The antioxidant activity increased with a greater concentration of MKE incorporated in both antioxidant films (p < 0.05) with more impact in SPI films compared to FG film in DPPH, FRAP and ABTS analysis. DPPH analysis on SPI films revealed the highest antioxidant activity (89%) with the inclusion of 5% MKE extract. Though both films were found to have the potential to be developed as antioxidant films, yet the overall observations revealed that SPI outperformed FG as active packaging films.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Food Science and Technology
Halal Products Research Institute
DOI Number: https://doi.org/10.1016/j.foodhyd.2017.08.017
Publisher: Elsevier
Keywords: Mango kernel extract; Fish gelatin; Soy protein isolate; Active packaging; Antioxidant packaging
Depositing User: Nurul Ainie Mokhtar
Date Deposited: 09 Feb 2021 22:42
Last Modified: 09 Feb 2021 22:42
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.foodhyd.2017.08.017
URI: http://psasir.upm.edu.my/id/eprint/72803
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