بهبود کیفیت تخم قزل آلای رنگین کمان (Oncorhynchus mykiss) منجمد شده با استفاده از کیتوزان و عصاره سیر و لیمو

نویسندگان

دانشکده دامپزشکی دانشگاه شهید چمران اهواز

چکیده

� اکسیداسیونی را در ت�در این مطالعه تاثیر نمک 1درصد به همراه عصاره ترکیبی سیر و لیمو 1/5درصد و محلول کیتوزان 1درصد بر روی کیفیت تخم قزلآلای رنگینکمان طی شش ماه نگهداری در دمای -20 درجه سانتیگراد بررسی شد. آزمایشهای شیمیایی شامل اندازهگیری ،pHشاخص تیوباربیتوریک اسید ) ،(TBAپروتئین، میزان چربی کل و ارزیابی حسی در طی یک دوره 180روزه طی روزهای )،0 120 ،60و (180انجام گردید. اکسیداسیون لیپیدها در نمونههای تیمار شده با عصاره و کیتوزان به تعویق افتاد. میزان چربی و پروتئین در تمام تیمارها در طول دوره بهطور معنیداری کاهش یافت ) pH .(p0/05در تیمارهای عصاره و کیتوزان اختلاف معنیداری با سایر تیمارها نشان داد. نتایج نشان داد که استفاده از عصاره سیر و لیمو و کیتوزان توانست فسا

کلیدواژه‌ها

عنوان مقاله [English]

Improvement of rainbow trout (Oncorhynchus mykiss) roe quality using chitosan and garlic and lemon extract

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