L-Glutamic酸

L-Glutamic AcidChemical name: L-2-amino-glutaric acid; La-amino-glutaric acid Molecular Formula: C5H9NO4 Structural formula: HOOCCH2CH2CH (NH2) COOH Molecular Weight: 147.13 DESCRIPTION: White crystalline powder; almost no smell, there is a special flavor and acidity. Decomposition is 224 -225 . Saturated aqueous solution of the PH value of about 3.2. Difficult to dissolve in water, insoluble in ethanol and ether, the actual, easily soluble in formic acid. Solubility (g/100g water); 0.72 (20 ), 1.51 (40 ), 3.17 (60 ), 6.66 (80 ) Quality Standard: Ajinomoto company standards APPLICATION In the food industry: 1) as a generation of salts, nutritional supplements, flavor agent (primarily for meat, soups and poultry, etc). For convenience foods such as broth and soups, 10g/kg. For beverages. Baking products, meat, meat, sausage, broth, milk and meat products, flavoring agent, cereal products, dosage 400mg/kg. Used as a nutritional supplement, limited 12.4 (in term of the amount of protein in food ). 2)Can be used as shrimp. Canned crab and other aquatic produce magnesium ammonium phosphate crystals in the prevention of agent, dosage 0.3-1.6. 3) L-monosodium glutamate (MSG Valley, known as "MSG"), has a strong meat flavor, is the world's largest outside of a flavoring agent besides food and salt. Especially in the PH value is 6-7 pm, MSG all of dissociation, was the strongest flavor. Widely used in cooking and food processing. General dosage is 0.2-0.5 per capita daily intake of no more than 6g / d. 4) L-Glutamic acid hydrochloride not only can improve beer bitterness, but also can be used on behalf of salts, nutritional supplements, flavor enhancer. In the pharmaceutical industry: 1) L-Glutamate is an non-essential amino acid metabolism. It is easy to lose amino acid when occur the transfer reaction. After eating, there are 96 - glutamic acid can be absorbed into the body, it can be used as nutritional supplements, "elemental diet" as one of raw materials, used in clinical Hill. 2) As a component of one of the amino acid infusion formulations. 3) Involved in promoting the oxidation process of protein and carbohydrate. With the excitatory role of mass transfer, it can improve and maintain brain function. It has the role of depression and central nervous excitement and additional brain agents of mental illness and mental retardation of children, as well as epilepsy, hypertension, memory disorders, the treatment agents.