Effect of a kokumi peptide, γ-glutamyl-valyl-glycine, on the sensory characteristics of chicken consommé
Flavour(2015)
摘要
Background Recent studies have demonstrated that kokumi substances such as glutathione are perceived through the calcium-sensing receptor (CaSR). Screening by a CaSR assay and sensory evaluation have shown that γ-glutamyl-valyl-glycine (γ-Glu-Val-Gly) is a potent kokumi peptide. In the present study, the sensory characteristics of chicken consommé with added γ-Glu-Val-Gly were investigated using descriptive analysis. Results Chicken consommé containing γ-Glu-Val-Gly had significantly stronger “umami” and “mouthfulness” (mouth-filling sensation) characteristics than the control sample at a 99% confidence level and significantly stronger “mouth-coating” characteristic than controls at a 95% confidence level. Conclusions These data suggest that a kokumi peptide, γ-Glu-Val-Gly, can enhance umami, mouthfulness, and mouth coating, implying that the application of this peptide could contribute to improving the flavor of chicken consommé.
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关键词
Chicken consommé, Kokumi, γ-Glutamyl-valyl-glycine, γ-Glu-Val-Gly, Sensory evaluation, Descriptive analysis
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