The present invention concerns the use of 3-(3-Hydroxy-4-methoxy-phenyl)-1-(2,4,6-trihydroxyphenyl)propan-1-one for masking, reducing or suppressing an unpleasant taste impression, preferably bitter, sour and/or astringent taste impression of unpleasant-tasting substances or mixture of substances, preferably bitter-, sour-, and/or astringent-tasting substances or mixtures of substances, and in particular the bitter taste impression of bitter-tasting substances, and/or modulating the taste impressions selected from the group consisting of cooling, umami, fruity and spicy notes of cooling-, umami-, fruity- or spicy-tasting substances or mixture of substances, and simultaneously intensifying the sweet-taste impression of sweet-tasting substances or mixtures of substances or both sweet- and bitter-tasting tasting substances or mixture of substances.