An object of the present application is to provide a novel salty taste-enhancing agent and production method therefor, and salty taste-enhancing method for a food and beverage. As means for achieving such object, provided is a salty taste-enhancing agent, including a compound represented by the following general formula (1) or a salt thereof [in the formula, R is as defined in Description].本申請案之課題在於提供一種新穎之鹽味增強劑、其製造方法以及飲食品之鹽味增強方法。作為解決此一課題之手段，則提供一種由下述通式(1)所示化合物或其鹽所構成之鹽味增強劑。[式中，R係如說明書所定義者]。
