PROBLEM TO BE SOLVED: To provide a new UMAMI promoter expressing a remarkable effect by a small quantity, a seasoning including the UMAMI promoter, and a method for producing the same.SOLUTION: Provided is an UMAMI promoter comprising a compound represented by formula (I) or its salt and sodium chloride. The compound is one or more kinds of compounds selected from 3-methylthio-propionaldehyde, 3-methylthio-buthylaldehyde, 2-methylthio-acetaldehyde and 4-methylthio-buthylaldehyde (R1 denotes H or 1 to 5C hydrocarbon group R2 denotes 1 to 5C hydrocarbon group and n denotes an integer of 0 to 5).SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】少量で顕著な効果を奏する新規の旨味増強剤、そして当該旨味増強剤を含む調味料及びその製法を提供。【解決手段】式(I)で表される化合物又はその塩及び塩化ナトリウムを含む旨味増強剤。前記化合物が、3-メチルチオ-プロピオンアルデヒド、3-メチルチオ-ブチルアルデヒド、2-メチルチオ-アセトアルデヒド及び4-メチルチオ-ブチルアルデヒドから選択される1種又は2種以上の化合物である旨味増強剤。(R1はH又はC1~5の炭化水素基;R2はC1~5の炭化水素基;nは0~5の整数)【選択図】なし
