PROBLEM TO BE SOLVED: To provide a method for producing ergothioneine with a higher yield, a method for producing an ergothioneine derivative, a composition comprising ergothioneine abundantly, and foods, cosmetic preparations and feeds containing the composition concerned.SOLUTION: Provided are a method for producing ergothioneine characterized by culturing a basidiomycete with culture medium containing brewing lees, such as sake lees, a composition obtained by fermentation of brewing lees with a basidiomycete, and also foods, cosmetic preparations and feeds containing the composition. The invention is useful particularly in food field, cosmetic preparation field, and stock raising field.COPYRIGHT: (C)2015,JPO&INPIT【課題】より収量が高いエルゴチオネインの製造方法、エルゴチオネイン誘導体の製造方法、エルゴチオネインを豊富に含む組成物、並びに当該組成物を含む食品、化粧料、及び飼料を提供すること。【解決手段】酒粕等の醸造粕を含む培地で担子菌を培養することを特徴とするエルゴチオネインの製造方法、醸造粕を担子菌で発酵させてなる組成物、組成物を含む食品、化粧料、及び飼料を提供する。本発明は、特に食品分野、化粧料分野、及び畜産分野において有用である。【選択図】なし
