TY - BOOK ED - Intratec Solutions TI - D,L-methionine production via the carbonate process KW - Alimentos para animales KW - Metionina KW - Productos cosméticos KW - Productos farmacéuticos N2 - Methionine is an essential amino acid that is not synthesized by animals, so it must be obtained from their diets. Synthetic methionine is traditionally commercially available in two varieties: D,L-methionine (DLM), a racemic mixture of the two stereoisomers, and methionine hydroxy analog (MHA). For animal nutrition, the two are equivalent. Globally, 98% of methionine produced is used as an animal feed additive, especially in the poultry market. Methionine is also used in pharmaceuticals and cosmetics ER -