It is Bunashimeji. It is Hokto original, a registered trademark of Hokuto Corporation.
By selective breeding, HOKUTO Corporation has developed whiter strains of Bunashimeji. Bunapi is one of our innovations of Mushroom General Research Institute.
The mushrooms will grow white regardless of light.
Bunapi is abundant in amino acid with sweet taste, so Bunapi offers a slight sweeter taste and is best suited for people who does not like the bitterness of mushrooms as well as kids. Also, nice and smooth feeling going down the throat.