TITLE

High-throughput non-destructive nuclear magnetic resonance method to measure intramuscular fat content in beef

AUTHOR(S)
Corrêa, Cátia Crispilho; Forato, Lucimara Aparecida; Colnago, Luiz Alberto
PUB. DATE
February 2009
SOURCE
Analytical & Bioanalytical Chemistry;Feb2009, Vol. 393 Issue 4, p1357
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
High intake of saturated fat from meats has been associated with cardiovascular disease, cancer, diabetes, and others diseases. In this paper, we are introducing a simple, high-throughput, and non-destructive low-resolution nuclear magnetic resonance method that has the potential to analyze the intramuscular fat content (IMF) in more than 1,000 beef portions per hour. The results can be used in nutritional fact labels, replacing the currently used average value. The method is based on longitudinal ( T1) and transverse ( T2) relaxation time information obtained by a continuous wave-free precession (CWFP) sequence. CWFP yields a higher correlation coefficient ( r = 0.9) than the conventional Carr-Purcell-Meiboom-Gill (CPMG) method ( r = −0.25) for IMF in beef and is just as fast and a simpler pulse sequence than CPMG. The method can also be applied to other meat products.
ACCESSION #
36420638

 

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