Disclosed are: a polyamine-containing food or drink which is convenient and free from problems in preference； and a method for producing a polyamine extract characterized by comprising adding a salt solution to an animal or plant material or leaves and stems of a tea tree belonging to the genus Camellia and extracting. Therein, said salt is selected from the group consisting of sodium chloride, magnesium chloride and calcium chloride； and said animal or plant material is selected from the group consisting of salmon soft roe, pork liver, malt, soybeans, natto (fermented soybeans), oolong tea leaves, black tea leaves, goishi-cha (brick tea) leaves, black soybeans, persimmon leaves and green tea leaves.
