抄録
Two cardiac principles were isolated from nekombu (the basal part of the blade of a laminariaceous seaweed). Fatty acids of C14, C16 and C18 were found to stimulate the isolated frog heart, while histamine dihydroiodate to accelerate the isolated guinea pig atrium. Histamine and iodine contents of nekombu were 501 mg/kg and 3200 mg/kg, respectively, indicating that 36% of the total iodine present in nekombu is in the salt form of histamine. It was also found that a small amount of histamine improves the taste of glutamic acid.
