The present invention relates to a flavor composition or fragrance composition which can satisfy diversified requirements for flavored products, as well as to a flavor-improving agent which can improve the quality and release of aroma of a beverage or food. More particularly, the present invention relates to a flavor composition or fragrance composition which comprises an optically active S-alkyl 2-methylbutanethioate as an active ingredient, a flavor- or fragrance-added product, a flavor-improving agent which comprises an optically active S-alkyl 2-methylbutanethioate as an active ingredient, and a beverage or food having an improved flavor. The optically active S-alkyl 2-methylbutanethioate includes S-alkyl (R)-2-methylbutanethioate and S-alkyl (S)-2-methylbutanethioate.
本发明涉及一种能够满足风味产品多样化要求的风味组合物或香味组合物,以及一种能够改善饮料或食品的品质和香气释放的风味改进剂。更具体地说,本发明涉及一种由光学活性 S-烷基 2-甲基
硫代
丁酸酯作为活性成分的香精组合物或
香料组合物、一种添加香精或
香料的产品、一种由光学活性 S-烷基 2-甲基
硫代
丁酸酯作为活性成分的风味改进剂以及一种具有改进风味的饮料或食品。光学活性 S-烷基 2-甲基
硫代
丁酸酯包括 S-烷基 (R)-2-甲基
硫代
丁酸酯和 S-烷基 (S)-2-甲基
硫代
丁酸酯。