METHOD FOR PREPARING L-ERGOTHIONEINE

摘要

Disclosed is an improved method for preparing L-Ergothioneine. The method comprises the following steps: (a) inoculating the pleurotus ostreatus CGMCC No.6232 strain into a seed medium, and culturing and preparing a seed liquor, soybean cake powder being used as a nitrogen source of the seed medium; and (b) inoculating the seed liquor into a fermentation medium, and culturing the fermentation medium to obtain a pleurotus ostreatus mycelium fermentation liquor.