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

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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 (T 1) and transverse (T 2) 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.

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Acknowledgements

We wish to thank FAPESP, CNPq, and FINEP/RBT for financial support.

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Authors and Affiliations

  1. Embrapa Instrumentação Agropecuária, Rua XV de Novembro 1452, São Carlos, São Paulo, 13560-970, Brazil

    Cátia Crispilho Corrêa, Lucimara Aparecida Forato & Luiz Alberto Colnago

  2. Instituto de Química de São Carlos, Universidade de São Paulo, Av. Trabalhador São-Carlense 400, São Carlos, São Paulo, 13560-970, Brazil

    Cátia Crispilho Corrêa

Authors
  1. Cátia Crispilho Corrêa
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  2. Lucimara Aparecida Forato
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  3. Luiz Alberto Colnago
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Correspondence to Luiz Alberto Colnago.

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Corrêa, C.C., Forato, L.A. & Colnago, L.A. High-throughput non-destructive nuclear magnetic resonance method to measure intramuscular fat content in beef. Anal Bioanal Chem 393, 1357–1360 (2009). https://doi.org/10.1007/s00216-008-2526-6

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  • DOI: https://doi.org/10.1007/s00216-008-2526-6

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