کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
222550 464277 2016 10 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Mass transport processes in orange-fleshed sweet potatoes leading to structural changes during in vitro gastric digestion
ترجمه فارسی عنوان
فرآیندهای جابجائی‌های فراوان در سیب زمینی شیرین گوشت نارنجی منجر به تغییرات ساختاری در طول هضم معده در شرایط آزمایشگاهی
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
چکیده انگلیسی


• Moisture and acid uptake are not equivalent and should be estimated separately.
• Sweet potato cooking methods influence acid and moisture uptake.
• Uptake of gastric fluids during digestion modifies food macro- and micro-structure.
• Fried samples behave differently structurally than boiled, steamed, and microwaved.

During cooking, food undergoes structural modifications, which may impact its behavior during digestion. The objective of this study was to determine the macro- and micro-structural changes, moisture uptake, and acid uptake into sweet potatoes during simulated gastric digestion as influenced by cooking method. Sweet potatoes were cut and cooked (boiled, steamed, microwave steamed or fried), followed by in vitro gastric digestion (up to 240 min). Acidity, moisture content, and hardness were measured during the digestion period. Light microscopy was completed on cooked and digested samples to observe microstructural changes. Effective diffusivity of acid and moisture was modeled following Fick's second law in MATLAB. Acid and moisture uptake were significantly influenced by cooking method and digestion time (p < 0.0001). Hardness was significantly influenced by cooking method, digestion time, and their interaction (p < 0.0001). Microstructural changes were observed both as a result of cooking and after in vitro gastric digestion.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Food Engineering - Volume 191, December 2016, Pages 48–57
نویسندگان
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