Volume 16, Issue 97 (2020)                   FSCT 2020, 16(97): 113-126 | Back to browse issues page


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mousapour balegh S, Yassini Ardakani S A. Antimicrobial and antioxidant effects of Polypropylene films containing Myrtle and Rosemary extract on mayonnaise packaging. FSCT. 2020; 16 (97) :113-126
URL: http://fsct.modares.ac.ir/article-7-35911-en.html
1- yes , sana_mousapour@yahoo.com
2- Associate Professor of Food Technology, Yazd Branch, Islamic Azad University, Yazd, Iran
Abstract:   (2087 Views)
Abstract
Among the various active packaging technologies, antimicrobial packaging has been the focus of more recent research. This study aimed to investigate the antimicrobial and antioxidant properties of polypropylene films coated with myrtle and rosemary extract on mayonnaise. Extracts of myrtle and rosemary at 0, 0.1, 0.15 and 0.2% levels were used to cover polypropylene films. Chemical properties of mayonnaise (pH, acidity, peroxide value), Antimicrobial properties against Escherichia coli and Staphylococcus aureus and Candida albicans alone and in the presence of mayonnaise, Sensory properties (Smell, taste, color, overall acceptability) were assessed for 21 days at 7-day intervals at 4 °C. The results showed that with time the rate of change of pH decreased and the acidity increased and in all treatments pH (less than 4.1) and acidity (0.69 - 0.72%) changes were in standard range for 21 days. The peroxide value of mayonnaise stored in polypropylene films was significantly reduced compared to the control. Polypropylene films containing rosemary extract had more antimicrobial activity than myrtle extract. The number of microorganisms control treatment increased with time the number of microorganisms of mayonnaise decreased in the presence of polypropylene films containing myrtle and rosemary extract (p <0.05). Myrtle and rosemary extract increased the overall acceptability of mayonnaise compared to the control by improving smell and taste. Coating of 0.15% rosemary extract with polypropylene films was the best treatment for increasing the shelf life of mayonnaise.
 
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Article Type: Original Research | Subject: Packing and all types of coatings in the food industry
Received: 2019/08/25 | Accepted: 2020/02/1 | Published: 2020/02/29

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