Productname:L-Methionine
Chemicalformula:C5H11NO2S
Qualitystandard:FCC,1996
Charmacteristicsanduses:Colorlesscrystalorwhiteshinyflakesorwhitecrystallinepowder.Slightcharacteristicodor.Tastebitter.Meltingpoint280-281oC(decomposition).Instabilityofthestrongacidcanleadtodemethylation.Solubleinwater(5.6g/100ml,30oC),warmdilutealcohol,alkalinesolutionanddiluteinorganicacid.Thelackofsoyproteinmethionine,DL-methioninesupplementationwiththenutritionalvalueofclosetomilkprotein.Anotheryeastcontainingsodiumglutamateinfoodhydrolysatescanincreaseflavor