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Journal of Agricultural Science and Technology، جلد ۱۶، شماره ۵، صفحات ۱۰۷۳-۱۰۸۲
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عنوان انگلیسی Rheological Characteristics of Yogurt Enriched with Microencapsulated Fish Oil
چکیده انگلیسی مقاله This study was aimed at evaluating the flow behavior characteristics of yogurt enriched with fish oil (FO) microcapsules prepared by complex coacervation method. FO was microencapsulated in gelatin-acacia gum coacervates. Then, the microcapsules were dried, and yogurt was produced from the milk enriched with microcapsules powder. Rheological characteristics (as measured using a rotational viscometer) of yogurt were evaluated in the shear rate range of 0.262-7.86 s-1 at 6˚C during 21 days of storage. Power Law model was used for calculation of consistency coefficient and flow behavior index of yogurt. As compared to the control, the enriched yogurt had higher apparent viscosity. Consistency coefficients of the enriched and the control yogurts were in the range of 24.42-28.82 and 15.31-17.76 Pa sn, respectively. Yogurt samples showed a non-Newtonian shear-thinning flow behavior. Addition of FO microcapsules to yogurt may be useful for improving its health-promoting effect and consistency.
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نویسندگان مقاله f تمجیدی |
department of food science and technology, college of agriculture, isfahan university of technology, esfahan 84156-83111, iran
سازمان اصلی تایید شده: دانشگاه صنعتی اصفهان (Isfahan university of technology)

a نصیرپور |
department of food science and technology, college of agriculture, isfahan university of technology, esfahan 84156-83111, iran
سازمان اصلی تایید شده: دانشگاه صنعتی اصفهان (Isfahan university of technology)

m شاهدی |
department of food science and technology, college of agriculture, isfahan university of technology, esfahan 84156-83111, iran
سازمان اصلی تایید شده: دانشگاه صنعتی اصفهان (Isfahan university of technology)

نشانی اینترنتی http://jast.modares.ac.ir/article_11058_07a9f4cd9430088ba311d8cef40ce010.pdf
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