کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10977227 | 1108048 | 2013 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A new magnetic resonance imaging approach for discriminating Sardinian sheep milk cheese made from heat-treated or raw milk
ترجمه فارسی عنوان
روش جدید تصویربرداری رزونانس مغناطیسی برای تمایز پنیر شیری گوسفند ساردین که از شیر خشک یا شیر خام ساخته شده است
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موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
علوم دامی و جانورشناسی
چکیده انگلیسی
The evaluation of milk heat treatment on dairy products via reliable analytical methods is a challenging issue that involves both industrial and fundamental research. We describe a new magnetic resonance imaging (MRI) protocol for discriminating Sardinian sheep milk cheese originating from heat-treated or raw milk. Thirty-six samples (18 pecorino cheeses manufactured from heat-treated milk and 18 Fiore Sardo cheeses made from raw milk) were investigated by means of MRI and bi-exponential signal decay analysis. The protocol is capable of discerning cheeses by virtue of the different distribution of the transversal (T2) relaxation time constant. Cheeses from heat-treated milk showed a significantly higher area fraction (â70-80%), corresponding to the fast relaxing water protons (T2 â 9Â ms), compared with raw milk cheeses, whereas the opposite was observed for the long T2 (T2 â 35Â ms) proton population. The MRI protocol described is rapid and nondestructive, and it provides statistically significant discrimination between ewe milk cheeses made from heat-treated and raw milk.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Dairy Science - Volume 96, Issue 12, December 2013, Pages 7393-7403
Journal: Journal of Dairy Science - Volume 96, Issue 12, December 2013, Pages 7393-7403
نویسندگان
G. Mulas, T. Roggio, S. Uzzau, R. Anedda,