| CAS No.: | 56-86-0 |
|---|---|
| Formula: | C5h9no4 |
| EINECS: | 147.13 |
| Type: | Pharmaceutical Intermediates |
| Appearance: | Powder |
| Quality: | ISO |
| Samples: |
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| Customization: |
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Glutamic acid (symbol Glu or E) is an α-amino acid that is used by almost all living beings in the biosynthesis of proteins. It is non-essential in humans, meaning the body can synthesize it. It is also an excitatory neurotransmitter, in fact the most abundant one, in the vertebrate nervous system. It serves as the precursor for the synthesis of the inhibitory gamma-aminobutyric acid (GABA) in GABA-ergic neurons.
Glutamate is an acidic amino acid. The molecule contains two carboxyl groups, the chemical name is α-aminoglutaric acid.
Glutamate is a colorless crystal with a umami taste, slightly soluble in water, and soluble in hydrochloric acid solution with an isoelectric point of 3.22.
It is abundant in cereal proteins and has a high content in animal brain. Glutamate plays an important role in the metabolism of proteins in living organisms and participates in many important chemical reactions in animals, plants and microorganisms. MSG contains a small amount of glutamic acid.
1. Glutamic acid as an important nutrient for human growth, not only has a special physiological role, but also has a unique feature in the food industry.
2. Glutamic acid as a flavor enhancer can be used to enhance the flavor of the beverage and food.
3. Glutamic acid can be used as a nutritional drug. Glutamic acid for hair restorer, can be absorbed by the scalp, prevent hair loss and hair newborn. Glutamic acid to the skin, the treatment of wrinkles is curative.
4. Glutamic acid can be used in medicine, because glutamic acid is one of the amino acids of protein. Although it is not essential amino acids the human body, it can be used as carbon and nitrogen nutrients involved in the body's metabolism. Glutamic acid has a higher nutritional value.
| Items | Standards |
| Appearance | White crystalline powder |
| Identification | Infrared absorption |
| Appearance of solution | Clear and colorless |
| Assay | 98.5-100.5% |
| Specific rotation | +30.5°to +32.5° |
| Chloride | 200 ppm Max |
| Sulphate | 300 ppm Max |
| Ammonium | 200 ppm Max |
| Iron | 10 ppm Max |
| Heavy Metals | 10 ppm Max |
| Sulphated Ash | 0.1% Max |
| Loss on Drying | 0.5% Max |
| Ninhydrin positive substances | Within the limites(0.5% Max) |
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