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Abstract #1992

Ex vivo quality-related changes in fish muscle and fish eggs during storage by high-resolution 1 H magnetic resonance spectroscopy via spatial encoding intermolecular single-quantum coherence

Xiaohong Cui 1 , Yali Jin 1 , Honghao Cai 1 , Yulan Lin 1 , and Zhong Chen 1

1 Department of Electronic Science, Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance, Xiamen University, Xiamen, Fujian, China

NMR spectroscopy has become an important technique to study biological tissues. Since tissues are in semisolid-state, high-resolution (HR) spectra of tissues cannot be obtained by conventional NMR spectroscopy. In this study, the feasibility of HR ex vivo spectroscopy based on ultrafast intermolecular single-quantum coherence (UF iSQC) technique is explored using fish muscle and eggs. Furthermore, the metabolites variations of fresh and decayed tissues are explored. The experimental results indicate that UF iSQC technique is a fast feasible way for HR NMR spectrum of fish tissues and suitable for quality control of semisolid food and inspections on biological tissues in vivo .

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