The biruteisuto beverage where taste and the profound impression were reinforced making use of the raw materials which include the chemical compound group which has taste and the profound impression of occurring the barley seed, the barley malt, by processing the barley seed extract, the barley malt extract, or these blends at high temperature is produced. In addition, this chemical compound group is divided, as the fragrance taste grant medicine the biruteisuto beverage or the eating and drinking item where taste and the profound impression were reinforced by the biruteisuto beverage and adding to the eating and drinking item is produced.大麦種子、大麦麦芽、大麦種子抽出液、大麦麦芽抽出液、またはこれらの混合物を高温で処理することによって生じる旨みや重厚感をもつ化合物群を含む原料を用いて旨みや重厚感が増強されたビールテイスト飲料を製造する。また、この化合物群を分取し、香味付与剤としてビールテイスト飲料や飲食品に添加することによって旨みや重厚感が増強されたビールテイスト飲料または飲食品を製造する。