Abstract
Matsutake, Armillaria Matsutake-one of the common edible mushrooms in Japan, sometimes causes toxicosis, when it is stored in an unsuitable condition. Some biochemical studies have been attemped by the author to examine how it becomes toxic and what are the toxic products therein.
The results of the paperchromatographic analysis on free amino acids and amines in the mushrooms showed that especially phenylalanine and histidine disappeared quickly as fresh matsutake got corrupt.Phenylethylamine and histamine were identified in the rotten ones.
