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Monosodium Glutamate (MSG), also known as sodium glutamate, is a sodium salt of glutamic acid, a naturally occurring amino acid. Primarily used as a food additive, it enhances the umami flavor in dishes, providing a savory, rich taste.
Derived from fermented plant sources like sugarcane, beetroot, or molasses, it is commonly used in Asian cuisines, processed foods, and seasonings. scientific consensus confirms that moderate consumption of MSG is generally safe for most people. It is widely recognized by its E number (E621) in food labeling.
| Items | Standard | Results |
|---|---|---|
| Purity | 99% - 100% | 99.1% |
| State of solution(transmittance) | Clear and colorless not less than 98.0% | 98.2% |
| Solubility | 72.0g/100ml water at 25°C | 72.0g/100ml |
| Sodium content | 12.2% approx | 12.2% |
| PH (5% solution) | 6.7~7.2 | 7.0 |
| Loss on drying | ≤0.3% | 0.26% |
| Chloride (Cl) | ≤0.039% | <0.039% |
| Lead (Pb) | ≤1ppm | <1ppm |
| Arsenic (As) | ≤0.5ppm | <0.1ppm |
| Total plate count | ≤800 colony / g | <800 colony / g |