A substance is described which is capable of imparting a kokumi, which shows a more excellent kokumi-imparting effect, in particular, the initial taste-imparting type of kokumi-imparting effect, which is excellent in the stability and which can easily be produced at a low cost. Additionally, a kokumi-imparting composition which includes a substance as well as a kokumi-imparting agent including the substance and other substances possessing the CaSR agonist activities in combination. More particularly, the present invention herein provides a kokumi-imparting composition consisting of γ-Glu-Abu (L-γ-glutamyl-L-2-amino-butyric acid) and a complex kokumi-imparting agent which includes the foregoing substance and another substance having a CaSR agonist activity, in combination.
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