کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
222554 464277 2016 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Kinetics of heat induced muscle protein denaturation of brown shrimp (Crangon crangon)
ترجمه فارسی عنوان
سینتیک ناشی از گرما عضلات دناتوره شدن پروتئین میگو قهوه ای (میگوی قهوهای میگوی قهوهای)
کلمات کلیدی
میگوی قهوهای میگوی قهوهای؛ دناتوره شدن پروتئین عضلانی؛ اکتین؛ پایداری حرارتی؛ جنبش شناسی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
چکیده انگلیسی


• Thermograms of the muscle tissue of brown shrimp were obtained by means of DSC.
• Thermal denaturation kinetics of actin were determined.
• Kinetic parameters were estimated using a one-step non-linear regression.
• Spiking experiments showed a small influence of NaCl concentrations (1–5%).
• Data shows importance of actin denaturation kinetics at low treatment temperatures (<77.5 °C).

To optimize the quality of cooked brown shrimp (Crangon crangon), quantitative data on the influence of all relevant process parameters (treatment time, temperature, NaCl concentration) on several quality attributes are required. Surprisingly, kinetic data and models on heat induced quality changes of brown shrimp are scarce. In this study, the denaturation of muscle proteins was studied by differential scanning calorimetry. The thermal denaturation kinetics of actin, the most heat resistant muscle protein, were determined and showed a first order decay with k72 °C = 0.038 ± 0.001 min−1 and Ea = 388 ± 7.3 kJ/mol. Spiking experiments showed that NaCl (concentrations in the range from 1 to 5% NaCl) had a negligible influence on the actin thermal stability. The kinetic data obtained can be used to quantitatively evaluate the doneness of cooked shrimp.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Food Engineering - Volume 191, December 2016, Pages 88–94
نویسندگان
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