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بررسی اثر منابع آلی و غیرآلی در باند کردن عناصر معدنی در شرایط برون تنی | ||
| تولیدات دامی | ||
| مقاله 5، دوره 17، شماره 1، فروردین 1394، صفحه 39-49 اصل مقاله (636.7 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/jap.2015.54018 | ||
| نویسندگان | ||
| علی قدرت1؛ اکبر یعقوب فر* 2؛ یحیی ابراهیم نژاد3؛ حبیب اقدم شهریار4؛ ابوالفضل قربانی4 | ||
| 1دانشجوی دکتری، گروه علوم دامی، دانشگاه آزاد اسلامی واحد شبستر، شبستر، ایران | ||
| 2استاد بخش تحقیقات تغذیۀ دام و طیور، مؤسسۀ تحقیقات علوم دامی کشور، کرج، ایران | ||
| 3دانشیار گروه علوم دامی، دانشگاه آزاد اسلامی واحد شبستر، شبستر، ایران | ||
| 4استادیار گروه علوم دامی، دانشگاه آزاد اسلامی واحد شبستر، شبستر، ایران | ||
| چکیده | ||
| در این آزمایش، توانایی پلیساکاریدهای غیرنشاستهای از دو منبع گندم و جو به‌عنوان منابع آلی و پرلیت به‌عنوان منبع غیرآلی در باندکردن کاتیونهای منگنز، آهن، روی، و مس در شرایط برونتنی بررسی شد. مقدار رطوبت، پروتئین، خاکستر، عصارۀ اتری، کل کربوهیدرات، NDF، ADF، ADL، فیبر خام، ویسکوزیته، سلولز، همیسلولز، کل فیبر جیرهای گندم، و جو اندازهگیری شد. ظرفیت باندکردن منگنز، روی، آهن، و مس در شرایط فیزیولوژیکی تقلیدشدۀ معده، روده، و کولون در گندم، جو و پرلیت در شرایط آزمایشگاه اندازهگیری و مقایسه شد. تیمار اسیدی موجب حذف بیشتر مواد معدنی اندوژنوس بهجز آهن شد. دانۀ جو بیشترین ظرفیت باندکردن عناصر مس (48/44 درصد)، روی (07/11 درصد)، و منگنز (16/5 درصد) را در شرایط رودۀ کوچک؛ و پرلیت ظرفیت باندکردن کمتر برای عناصر مس (41/1 درصد)، روی (74/1 درصد)، و منگنز (76/0 درصد) را در مقایسه با جو و گندم نشان داد. بیشترین مقدار خروج مواد معدنی در شرایط اسیدی در هر سه مادۀ خوراکی به‌ترتیب برای عناصر منگنز، روی، مس و آهن بود و بیشترین مقدار باندشدن در منابع آلی در شرایط تقلیدشدۀ رودۀ کوچک به‌ترتیب به عناصر آهن، مس، روی، و منگنز تعلق داشت. نتایج تحقیق حاضر نشان داد که الیاف جیرهای قابلیت دسترسی مواد معدنی را کاهش میدهند. | ||
| کلیدواژه‌ها | ||
| باند شدن مواد معدنی؛ پرلیت؛ جو؛ فیبر جیره‌ایی؛ گندم | ||
| عنوان مقاله [English] | ||
| In vitro binding capacity of organic and inorganic sources for minerals | ||
| نویسندگان [English] | ||
| Ali Ghodrat1؛ Akbar Yaghobfar2؛ Yahya Ebrahimnezhad3؛ Habib Aghdam Shahryar4؛ Abolfazl Ghorbani4 | ||
| 1Ph.D. Candidate, Department of Animal Science, Shabestar Branch, Islamic Azad University, Shabestar, Iran | ||
| 2Professor, Department of Animal and Poultry Nutrition, Animal Science Research Institute, Karaj, Iran | ||
| 3Associate Professor, Department of Animal Science, Shabestar Branch, Islamic Azad University, Shabestar, Iran | ||
| 4Assistant Professors, Department of Animal Science, Shabestar Branch, Islamic Azad University, Shabestar, Iran | ||
| چکیده [English] | ||
| This study was carried out to determination of in vitro binding capacity of organic (wheat and barley) and inorganic (perlite) sources for Mn, Zn, Cu, and Fe. For this reason wheat and barley were analyzed chemically for moisture, protein, ash, and ether extract, total carbohydrate, NDF, ADF, ADL, crude fiber, viscosity, cellulose, and total dietary fiber. The in vitro mineral binding capacity of wheat, barley, and perlite to Mn, Zn, Fe, and Cu under sequential simulated physiological conditions of the stomach, small intestine, and colon was investigated and compared. Acid washing was efficient in removing most endogenous minerals from samples with the exception of Fe. Barley showed the highest mineral binding capacity for Mn (5.16 percent), Zn (11.07 percent), and Cu (44.48 percent) in small intestine. Perlite had lower mineral binding capacity (Mn (0.76 percent), Zn (1.74 percent) and Cu (1.41 percent) than wheat and barley. Organic sources had an affinity for Fe > Cu > Zn > Mn. Dietary Fiber had a negative impact on mineral bioavailability. | ||
| کلیدواژه‌ها [English] | ||
| Barley, dietary fiber, mineral binding, Perlite, Wheat | ||
| مراجع | ||
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