“…Recently, several medicinal mushrooms have been considered as important natural resources to prevent and/or treat various types of human diseases [ 3 ]. Although almost all parts of mushrooms, such as fruiting bodies, sclerotia, mycelia, and spores, have been used for medicinal or health promoting purposes [ 4 , 5 ], in recent years, the submerged culture-based mycelium production and use of the whole culture broth (as a source of postbiotics) have been increasing in various industrial fields including health functional foods, cosmeceuticals, and pharmaceuticals, because of their various advantages, such as low production costs, sustainable and uniform productivity, and eco-friendliness [ 6 , 7 , 8 ]. Moreover, a considerable number of novel biological metabolites could be produced during mushroom mycelium cultivation process using the submerged culture [ 9 ].…”