New sulfur chemical compound and the particular chemical compound which is enough effective to the grant of the fresh impression are contained and it is natural and the perfume composition, and combine the particular perfume compound the eating and drinking item and the fragrance adornment item which can grant the aroma fragrance taste which has the natural impression are offered.The below-mentioned general formula (1)(In formula, as for R carbon count it is direct condition 3 - 9 or alkyl group of divergence chain.)So the 3 merukaputo 2 Al cannon (however, the 3 merukaputo 4 methyl 2 penta- non excluding,), and the above-mentioned general formula which are displayed it is the perfume composition which features that it contains above 1 or 2 kinds of the 3 merukaputo 2 Al cannon which is displayed with (1).フレッシュ感の付与に極めて有効な新規な硫黄化合物、当該化合物を含有し自然で天然感のある香気香味を付与できる香料組成物、および当該香料化合物を配合した飲食品、香粧品を提供する。下記一般式(1)(式中、Rは炭素数3~9の直鎖状又は分岐鎖状のアルキル基である。)で表される3-メルカプト-2-アルカノン(ただし、3-メルカプト-4-メチル-2-ペンタノンを除く)、及び上記一般式(1)で表される3-メルカプト-2-アルカノンの1種または2種以上を含有することを特徴とする香料組成物である。