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innovative chitosan-based coating for enhance preservation and sensory quality of rainbow trout (oncorhynchus mykiss) fillets using microencapsulated milk thistle (silybum marianum) extract
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نویسنده
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fakheri mohammad ali ,khoshkhoo zhaleh ,jouki mohammad
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منبع
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journal of food biosciences and technology - 2024 - دوره : 14 - شماره : 3 - صفحه:71 -87
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چکیده
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this study investigated the effects of chitosan-coated milk thistle (mt) extract on the quality of rainbow trout (oncorhynchus mykiss) fillets for 21 days at 4 °c. the fillets were divided into four groups: uncoated (control group), coated with chitosan only (ch), free milk thistle extract (ch + mt), and microencapsulated mt extract (ch + micro). the coatings were applied at different concentrations (1.5, 2, 2.5, and 3% w/v) and analysed for chemical (ph, tba, tvb-n), microbiological (psychrotrophic bacteria and total viable count), and sensory properties. the study found that chitosan coating with encapsulated mt extract effectively inhibited microbial growth and chemical spoilage and extended the shelf life of rainbow trout fillets. microencapsulation also slowed down mt extract release, enhancing sensory properties. the encapsulated samples showed no significant loss in color, odor, or overall acceptability, making it a promising alternative for maintaining the quality and freshness of rainbow trout fillets.
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کلیدواژه
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active biopolymer ,active packaging ,biodegradable films ,chitosan ,milk thistle ,shelf-life
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آدرس
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islamic azad university, tehran branch, department of food science and technology, iran, islamic azad university, north tehran branch, department of food science and technology, iran, islamic azad university, north tehran branch, department of food science and technology, iran
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پست الکترونیکی
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m.jouki@yahoo.com
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Authors
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