Salty taste enhancer and food or drink containing same

摘要

Provided is an excellent salty taste enhancing agent capable of compensating for low salty taste when aiming at reduction of salt. The salty taste enhancing agent comprises a mixture of an enzymatic degradation product of an animal protein and an enzymatic degradation product of a vegetable protein. The enzymatic degradation product is obtained by a protein hydrolase and/or nucleic acid hydrolase. The animal protein is a fish or shellfish extract and the vegetable protein is a soybean protein. The salty taste enhancing agent further comprises a basic amino acid, particularly arginine. The salty taste enhancing agent further comprises potassium chloride. The salty taste enhancing agent is adjusted to weak acidity. Further provided are a method of producing the same, a method of enhancing salty taste using the same, and a food or drink comprising the same.