The history of Agaricus blazei Murrill
Agaricus blazei Murrill originally comes from the mountainous area in
Piedade, Brazil. It was brought to Japan in 1965. Japanese farmer, who had lived in Brazil, found a rare mushroom, which did not exsist in Japan, in the outskirts of Sao Paulo.
That mushroom was named as "Agaricus blazei Murrill" by Dr. Heinemann, a texonomist of Agaricus, and given the Japanese name "Himematsutake" by Dr. Inosuke Iwade, professor at the Faculty of Agriculture, Mie University. Dr. Iwade challenged the artificial culture of the mushroom, and he made it possible for the first time in the world in 1975.
Pharmacological actions of Agaricus blazei Murrill including enhancement of immunity were reported, and there was a great expectation in its effectiveness.
The cultivation method of Agaricus blazei Murrill were established in 1990s, and the amount of production increased. Therefore, it has been used as health food.
It is known that the constituents of Agaricus blazei Murrill vary greatly depending on their types, cultivation methods, and geographical locations.