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http://dx.doi.org/10.9799/ksfan.2022.35.6.531

Umami Taste-Yielding Food Materials on Calcium-Sensing Receptor, a Kokumi Taste Receptor  

Yiseul, Kim (Korea Food Research Institute)
Eun-Young, Kim (Dept. of Food and Nutrition, Hanyang Women's University)
Mee-Ra, Rhyu (Korea Food Research Institute)
Publication Information
The Korean Journal of Food And Nutrition / v.35, no.6, 2022 , pp. 531-536 More about this Journal
Abstract
Umami taste-yielding foods, such as, Joseonganjang, dried anchovies, dried shiitake, dried Konbu (kelp), and Yukjeot, are widely used in the Korean cuisine as soup base. While Umami taste enhancement related to Kokumi taste substances has been proposed in human sensory studies, the potential action of Kokumi taste substances has not been explored on calcium-sensing receptors (CaSR), here referred to as Kokumi taste receptors. In this study, we investigated the effect of Umami taste-yielding foods on Kokumi taste receptors using cells expressing human CaSR. We monitored the temporal changes in intracellular Ca2+ in HEK293T cells expressing CaSR in response to aqueous extract of Joseonganjang, dried anchovies, dried shiitake, dried Konbu, and Yukjeot. Kokumi substances tested-glutathione and γ-Glu-Val-Gly- evoked intracellular Ca2+ influx in a concentration-dependent manner. A similar increment of intracellular Ca2+ influx was induced by Joseonganjang, Yukjeot, and dried anchovies, but not by dried shiitake and dried Konbu. Only Joseonganjang- and Yukjeot-evoked intracellular Ca2+ influx was significantly reduced by NPS 2143, a CaSR-specific antagonist. These data indicated that some Umami substances/Umami-yielding materials could activate CaSR, but this property was not observed for all the Umami tasting substances.
Keywords
Kokumi; Umami; taste; calcium sensing receptor; Joseonganjang; Yukjeot;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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