بررسی بقایای آنتی‌بیوتیکی در بافت‌های خوراکی گاوهای کشتاری تبریز به روش FPT
محورهای موضوعی : علوم و صنایع غذاییمحمدعلی تربتی 1 , مهدی شمشیری 2 , افشین جوادی 3
1 - معاونت غذا و دارو، دانشگاه علوم پزشکی تبریز، تبریز، ایران.
2 - دانش‌آموخته دانشکده دامپزشکی دانشگاه آزاد اسلامی واحد تبریز، تبریز، ایران
3 - گروه بهداشت مواد غذایی دانشکدة دامپزشکی دانشگاه آزاد اسلامی واحد تبریز، تبریز، ایران.
کلید واژه: گاو, کشتارگاه تبریز, : باقی‌مانده آنتی‌بیوتیکی, بافت‌های خوراکی, FPT,
چکیده مقاله :
وجود بقایای آنتی‌بیوتیکی در مواد غذایی و انتقال آن به بدن مصرف کنندگان باعث ایجاد عوارضی نظیر مقاومت‌های باکتریایی، واکنش‌های آلرژیک، مسمومیت، سرطان‌زایی و به‌هم زدن میکروفلور طبیعی روده می‌شود. روش چهار پلیتی یکی از روش‌های میکروبیولوژیکی جهت تأیید حضور بقایای آنتی‌بیوتیکی در مواد غذایی می‌باشد که در چهار محیط کشت با pH و باکتری‌های متفاوت انجام می گیرد. در این مطالعه از 30 لاشه گاوهای کشتار شده در کشتارگاه تبریز نمونه هایی از عضله کپل، دیافراگم و بافت کبد و کلیه به‌صورت تصادفی اخذ شد.از بین نمونه های کلیه،30 مورد (100%)؛ از نمونه کبد، 28 مورد (33/93%)؛ از عضله دیافراگم،22 مورد (33/73%) و از نمونه عضله کپل، 22 مورد (33/73%) آلوده به بقایای آنتی‌بیوتیکی تشخیص داده شدند. با بررسی نتایج مشخص گردید بیشترین بقایای آنتی‌بیوتیکی مربوط به گروه‌های پنی‌سیلین و ماکرولیدها بوده است (P<0.05). در ضمن بافت کلیه به‌عنوان آلوده‌ترین بافت به بقایای آنتی‌بیوتیکی تشخیص داده شد .(P<0.05)
Antibiotic residues in food stuff and their transmission to the consumers have some consequences such as bacterial resistance, allergic reactions, intoxication, carcinogenic effects and disturbing of intestine natural flora of. Four-plate test is among microbiologic methods for detecting antibiotic residues in food stuff, which performs in four culture media with different pH values and test bacteria. In this study, 30 samples including gluteal muscle, diaphragm muscle, liver and kidney tissues obtained randomly from beef carcasses slaughtered in Tabriz abattoir were assayed. From total 30 kidney samples, every 30(100%) cases; among 30 liver samples, 28(93.33%); from 30 diaphragm samples, 22(73.33%) and from 30 gluteal muscle samples, 22(73.33%) cases were diagnosed as positive for antibiotic residues. Results revealed that, the most antibiotic residues belonged to Penicilin and Macrolides groups (P<0.05). In addition, kidneys was diagnosed as the most contaminated tissue for antibiotic residues (P<0.05).
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