PVA/starch/propolis/anthocyanins rosemary extract composite films as active and intelligent food packaging materials

Active and intelligent food packaging films has taken more importance over conventional packaging. The aim of this study was to develop active and intelligent food packaging films based on bio‐degradable polymers like polyvinyl alcohol and starch, incorporated with natural additives, that is, propol...

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Bibliographic Details
Published in:Journal of food safety 2020-02, Vol.40 (1), p.n/a
Main Authors: Mustafa, Pakeeza, Niazi, Muhammad B. K., Jahan, Zaib, Samin, Ghufrana, Hussain, Arshad, Ahmed, Tahir, Naqvi, Salman R.
Format: Article
Language:English
Subjects:
Additives
Anthocyanins
Boric acid
Color
E coli
Food
Food packaging
Food safety
Food spoilage
Mechanical properties
Methicillin
Milk
Packaging materials
Pasteurization
Pasteurized milk
Polymers
Polyvinyl alcohol
Propolis
Rosemary
Spoilage
Starch
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Summary:Active and intelligent food packaging films has taken more importance over conventional packaging. The aim of this study was to develop active and intelligent food packaging films based on bio‐degradable polymers like polyvinyl alcohol and starch, incorporated with natural additives, that is, propolis extract (PE) and Anthocyanin. Boric acid was used as a cross‐linker. The results proved the compatibility of films mixture. The mechanical strength was also measured and highest value was achieved 6.1 MPa for films containing 20% PE. Moreover, the maximum zone of inhabitation, that is, 21 and 15 mm, was also achieved at same composition against Escherichia coli and methicillin‐resistant Staphylococcus aureus, respectively. Furthermore, all films had shown great color response against different pH ranging from 2 to 14. Finally, food spoilage test was performed using pasteurized milk. Films responded visibly by changing color and protected milk from spoilage. Hence, formulated bio‐degradable active and intelligent films can be used as food packaging material. Formulation of bio‐degradable active and intelligent food packaging films Propolis extract resulted as an active material for food packaging Anthocyanin preformed as an intelligent material for food packaging Formulated films enhanced food quality, shelf life, and freshness Formulations had shown good antibacterial property against Escherichia coli and methicillin‐resistant Staphylococcus aureus. Formulations had shown good color response against pH 1–14.
ISSN:0149-6085
1745-4565
DOI:10.1111/jfs.12725