Sulfuric Acid → L-Methionine

Participants

Reaction Conditions

Reaction Steps

To 150 g of the aqueous solution of methionine sodium salt containing 8.0% by weight of methionine sodium salt, which was prepared by hydrolysis of MMH was added 9.4 g of 72% by weight of sulfuric acid, and the reducing sulfur compound as given in the following Table II. The mixture was stirred at 80° C. for 60 minutes, and concentrated with an evaporator. The precipitated crystals were collected and dried to give 8 g of colorless methionine.

Provenance & Evidence