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مطالعه آزمایشگاهی شیـر شتر: ترکیبات اصلی، مواد معدنی و نیمرخ اسیدهای آمینه و اسیدهای چرب | ||
| تحقیقات آزمایشگاهی دامپزشکی | ||
| دوره 16، شماره 2 - شماره پیاپی 26، دی 1403، صفحه 101-113 اصل مقاله (689.08 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22075/jvlr.2024.35244.1129 | ||
| نویسندگان | ||
| امیر احمدپور1؛ موسی زرین* 2 | ||
| 1استادیار تغذیه دام، گروه علوم دامی، دانشگاه یاسوج، یاسوج، ایران | ||
| 2دانشیار علوم زیستپزشکی، گروه علوم دامی، دانشگاه یاسوج، ایران | ||
| تاریخ دریافت: 17 شهریور 1403، تاریخ بازنگری: 22 آبان 1403، تاریخ پذیرش: 16 دی 1403 | ||
| چکیده | ||
| این مطالعه به بررسی ویژگیهای شیر شتر از ۶۱ شتر ماده تک کوهان با نژاد مختلط، با وزن بدن متوسط ۴۱۸ ± ۵۶ کیلوگرم و سن ۴۷.۵ ± ۹.۵ ماه، که از گلههای سنتی انتخاب شده بودند، میپردازد. نمونههای شیر بهصورت هفتگی جمعآوری و برای تجزیه و تحلیل ترکیبات اصلی، محتوای مواد معدنی، اسیدهای آمینه و اسیدهای چرب مورد بررسی قرار گرفتند. نتایج نشان داد که شیر شتر دارای محتوای آب بالاتر و درصدهای کمتری از چربی، پروتئین، مواد جامد کل و کازئین نسبت به شیر گاو، گوسفند و بز است (P < 0.05). محتوای خاکستر شیر شتر ۰.۸۱ ± ۰.۱۵ درصد بود که در رتبه دوم بعد از شیر گوسفند قرار دارد. شیر شتر غنی از لوسین، اسید گلوتامیک و اسید آسپارتیک بود، اما در لیزین و متیونین کمبود داشت. غلظتهای فسفر و پتاسیم بهترتیب ۶۶.۲۶ ± ۱.۱۱ میلیگرم و ۱۳۳.۶۲ ± ۱.۸۲ میلیگرم بودند، در حالی که غلظتهای منیزیم، سدیم و کلسیم بهترتیب ۲۰.۱۸ ± ۰.۵۸ میلیگرم، ۱۰۱.۳۹ ± ۱.۷۸ میلیگرم و ۱۲۱.۱۳ ± ۰.۸۶ میلیگرم در هر ۱۰۰ گرم شیر بود. اسیدهای چرب غالب شامل اسید اولئیک، پالمیتیک، استئاریک و میریستیک بودند. شیر شتر بهعنوان یک منبع ارزشمند لبنیات در مناطق خشک، نیاز به بهبود کیفیت از طریق مطالعات تغذیهای دارد. | ||
| کلیدواژهها | ||
| شیر شتر؛ ترکیب اسید چرب؛ ترکیب اسید آمینه؛ ترکیبات شیر | ||
| عنوان مقاله [English] | ||
| Laboratory Study of Camel Milk: Main Components, Mineral Content, and Profile of Amino Acids and Fatty Acids | ||
| نویسندگان [English] | ||
| Amir Ahmadpour1؛ Mousa Zarrin2 | ||
| 1Assistant Professor in Ruminant Nutrition, Department of Animal Science, Yasouj University, Yasouj, Iran | ||
| 2Associate Professor in Biomedical Science, Department of Animal Science, Yasouj University, Yasouj, Iran | ||
| چکیده [English] | ||
| This study investigates the characteristics of camel milk from 61 mixed-breed female dromedary camels, with an average body weight of 418 ± 56 kg and an age of 47.5 ± 9.5 months, sourced from traditional herds. Weekly milk samples were analyzed for main constituents, mineral content, amino acids, and fatty acids during the winter of 2021. Results showed that camel milk had a higher water content and lower fat, protein, total solids, and casein percentages compared to cow, sheep, and goat milk (P < 0.05). The ash content was 0.81 ± 0.15%, ranking second after sheep milk. Camel milk was rich in leucine, glutamic acid, and aspartic acid, but low in lysine and methionine. Phosphorus and potassium concentrations were 66.26 ± 1.11 mg and 133.62 ± 1.82 mg, respectively, while magnesium, sodium, and calcium concentrations were 20.18 ± 0.58 mg, 101.39 ± 1.78 mg, and 121.13 ± 0.86 mg per 100 g of milk. The predominant fatty acids included oleic, palmitic, stearic, and meristic acids. Camel milk is a valuable dairy source in arid regions, necessitating quality enhancement through nutritional studies | ||
| کلیدواژهها [English] | ||
| Camel milk, fatty acid profile, amino acid composition, milk constituents | ||
| مراجع | ||
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