Provided is a composition which is improved in bitterness associated with a quercetin glycoside. An imidazole peptide is added to a composition containing a quercetin glycoside, whereby an unpleasant taste associated with the quercetin glycoside can be improved and the preference of the composition can also be improved.本發明係提供一種改善起因於槲黃素配糖體之苦味的組成物。本發明之解決手段係藉由在含有槲黃素配糖體之組成物中摻合咪唑胜肽，可改善來自槲黃素配糖體之異味且可提高適口性。
