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.