The present invention provides a novel flavor improving agent capable of increasing and improving flavors such as rich flavor to give depth and richness to flavors, and furthermore, sufficiently increasing or alleviating flavors sensed in mouth, for example, improving volume-feel or elimination of after taste. Moreover, the present invention provides foods, drinks, medicines and oral products having such daintiness capable of meeting severe requirements for gestation recently.本發明是提供可以增強、改善醇味等風味，而並賦予有深入與深度之風味，再者例如改善量感或消除餘味等，可以充分增強或緩和在口腔內所感受到之風味之一種新穎風味改善劑。同時，本發明是提供可以因應近年來對味覺有高度要求程度的美味之飲食品、醫藥用品或口腔用製品。
