H. erinaceus is taken as a food in Japan and China without harmful effects.  Hericenones C—H2, 19—21) and erinacines A—I22—24) were isolated from the fruit body and mycelium of H. erinaceus, respectively, all of which promote NGF synthesis in rodent cultured astrocytes.  Grape King Bio can manufacture fermented mycelium to produce the erinacine A.  For the Hericium erinaceus mycelia, it is brown powder containing at less 3mg/g erinacine A.

Grape King Bio is a manufacture of functional ingredients for the food, beverage, medical food and pharmaceutical industries.  We can use the fermentation technology to produce many kind of mushroom mycelium such as Antrodia camphorata, Ganoderma lucidum, Cordyceps, Coriolus versicolor, Phellinus linteus, Grifola frondosa, Hericium erinaceum, Lignosus rhinocerus and Armillaria mellea.  These kinds of extracts are mycelium products; they can be food additives and functional ingredients.  For the Hericium erinaceus mycelia, it is brown powder containing at less 8% active polysaccharide.