L-Methionine is colorless or white shiny flake crystal or white crystalline powder, slightly with special smell and slightly bitter taste.The melting point of 280 ~ 281 â??.Unstable to strong acids, which can lead to demethylation.Soluble in water (5.6 g / 100 ml, 30 â??), warm dilute ethanol, alkaline solution, or dilute mineral acids.Insoluble in ethanol, almost insoluble in ether. Application: 1.Used for biochemical research and nutritional supplements, but also for the adjuvant treatment of pneumonia, cirrhosis and fatty liver 2.Can be used as feed additive