PROBLEM TO BE SOLVED: To provide a flavor compound capable of adding natural feeling rich oily feeling such as grilled chicken and grilled meat to drink and food, especially drink and food having flavor of cooking meat and a novel flavor adding and enhancing agent having the compound and a flavor adding and enhancing composition containing the flavor adding and enhancing agent.SOLUTION: There is provided an oily feeling adding and enhancing agent consisting of (Z)-pentadesenal represented by the formula (1), where ... represents a single bond or a double bond, any one location is a double bond and others express single bonds and added in a concentration range of 2×10-4ppb to 2×103ppb based on weight of the drink and food.SELECTED DRAWING: None
