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>The application of 1H NMR to explore the taste difference caused by taste‐active metabolites of different Chinese sauce‐stewed beef
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The application of 1H NMR to explore the taste difference caused by taste‐active metabolites of different Chinese sauce‐stewed beef
In this study, we developed a method for the quantification of taste‐active metabolites of Chinese commercial sauce‐stewed beef by using 1H NMR spectroscopy coupled with multivariate data analysis. This method was applied to analyze the taste difference which caused by taste‐active metabolites of different Chinese sauce‐stewed beef. Beef samples demonstrated to consist of 25 metabolites, including amino acids, sugars, organic acids, nucleic aides, and their derivatives. PC1 and PC2 explained a total of 85.1 and 13.1% of variables, respectively. Metabolites such as isoleucine, histidine, glutamate, pyroglutamate, sucrose, lactate, creatine, carnitine, and creatinine were kept at a higher levels compared with other metabolites in the four products. Sensory evaluation was also done to help analyze the taste difference. This microcosmic approach of using high‐resolution NMR spectrometry to analyze beef products has rarely been reported. This work established a feasible method to distinguish the taste difference of different Chinese sauce‐stewed beef.
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