Impacts of gamma radiation on nutritional components of minimal processed cultured sea bass (Dicentrarchus labrax)
محل انتشار: مجله علوم شیلات ایران، دوره: 9، شماره: 2
سال انتشار: 1389
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 89
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شناسه ملی سند علمی:
JR_JIFRO-9-2_007
تاریخ نمایه سازی: 27 بهمن 1400
چکیده مقاله:
Eviscerated sea bass, Dicentrarchus labrax were irradiated by Cobalt-۶۰ at commercial irradiation facility at dose of ۲.۵ and ۵ kGy at ۲–۴°C. The influences of the irradiation on proximate, fatty acid and amino acid composition in cultured sea bass were investigated. Significant differences (P<۰.۰.۵) were found between non-irradiated and irradiated sea bass in terms of moisture, protein, fat, ash and carbohydrate contents. Total saturated and total monounsaturated fatty acid contents were ۲۷.۹۷-۲۴.۷۲% for non-irradiated sea bass respectively. The amonts of these two fatty acids in irradiated samples increased to ۲۸.۱۸-۲۵.۷۵% for ۲.۵ kGy and ۲۹.۰۸-۲۸.۵۴% for ۵ kGy. Total polyunsaturated fatty acid content for irradiated samples was higher than non- irradiated samples. Aspartic acid, glutamic acid, asparagines, histidine, serine, glycine, arginine, alanine, tyrosine, cystine, methionine, lysine, hydroxyproline and proline contents for ۲.۵ and ۵ kGy irradiated sea bass were significantly different (P<۰.۰۵).
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