Effects of Capparis spinosa root extract and modified atmosphere packaging on the shelf life of rainbow trout (Oncorhynchus mykiss) fillets by measuring of antioxidant and antimicrobial parameters
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P. Khadem * , A.A. Motalebi , N. Rokni , V. Razavilar |
Department of Health, Aquatic Animal Health and Disease, Faculty of Specialized Veterinary Science, Science and Research Branch, Islamic Azad University, Tehran, Iran , pouryah1366@gmail.com |
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Abstract: (3016 Views) |
The effects of Caper (Capparis spinosa L.) extracts on microbiological, chemical and sensory changes of rainbow trout (Oncorhynchus mykiss) fillets stored at 4 ˚C were evaluated. Trout fillets were dipped in Caper extracts (0.2 and 0.5%), packaged with or without modified atmosphere packaging (MAP; O2 5%, CO2 20%, N2 75%) and stored at 4 ˚C for 28 days. The data showed that lipid oxidation and spoilage of the samples were significantly delayed in the samples treated with Caper extract associated with MAP (p<0.05). The acceptability limit (7 log CFU g-1) of the psychrophilic bacterial counts was observed for MAP+Caper (0.5%) treatment in 7 and 14 days of storage time while it was reported for other treatments only in day 7. The use of 0.5 % Caper+MAP had the best antioxidative and antimicrobial effects, as well as sensory scores in the trout fillets during refrigerated storage (28 days) (p<0.05). This study determined that the Caper associated with MAP had significant effects on shelf-life extension of fresh rainbow trout at cold storage period and could be a natural preservative for extending shelf life of fish fillets. |
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Keywords: Caper extract, Rainbow trout, Modified atmosphere packaging, Shelf life |
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Full-Text [PDF 758 kb]
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Type of Study: Orginal research papers |
Subject:
Fish processing Received: 2017/08/30 | Accepted: 2017/12/30 | Published: 2020/01/19
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