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Hygiene of monosodium glutamate and its management

作者:admin  点击次数:157  发布时间:2025-06-18

The chemical name of monosodium glutamate is monosodium glutamate, which is a crystallization of monosodium glutamate purified by fermentation using grain as raw material. MSG has a strong umami taste, diluted 300 times and still has umami, so it is called monosodium glutamate. It is sodium L-glutamate containing a molecule of crystalline water. MSG enters the body and quickly decomposes glutamic acid, so the physiological effect of monosodium glutamate is the same as that of glutamate. Glutamic acid is a normal metabolic substance in the human body, and it has an important function in human metabolism. For example, it synthesizes proteins needed by the human body, participates in the metabolism of brain proteins and carbohydrates, and promotes the oxidation process. It is a component of brain tissue metabolism and an amino acid that can be used by brain cells, and an appropriate amount of glutamate is also a functional drug that improves the activity of the nervous system. Therefore, MSG is beneficial for people in general.
There have been reports of adverse reactions and harms caused by taking monosodium glutamate for several years, but the 19th meeting of the Joint Expert Committee on Food Additives of the Food and Agriculture Organization of the United Nations and the World Health Organization held in The Hague from February 16 to 25, 1987 Yibu cancelled the consumption limit of monosodium glutamate (monosodium glutamate) and reaffirmed that monosodium glutamate is a safe and reliable food additive. Hygienic standards of monosodium glutamate:
1. Sensory indicators
It has the normal color and taste of monosodium glutamate, and there shall be no peculiar smell and sundries. 2. Physical and chemical indicators
Zinc (Zn) shall not exceed 5.0mg/kg;
Arsenic (as As) shall not exceed 0.5mg/kg;
Lead (in Pb) must not exceed 1.0mg/kg.

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