①Is food grade sodium benzoate harmful to the human body?

Sodium benzoate is a synthetic preservative, which can prevent deterioration and extend the shelf life and effect of food. At present, it has been widely used in countries around the world. If the sodium benzoate is used in accordance with the maximum use standards, the harm to the human body is relatively small. A small amount of sodium benzoate will follow the human body to metabolize naturally without any toxicity.

1. ②What is the maximum usage of sodium benzoate?

Most countries in the world are allowed to use sodium benzoate as food preservatives (except for a few special circumstances). The maximum allowable amount is generally between 0.15%and 0.25%. Sodium benzoate cosmetics are used as cosmetics, shampoo and other cosmetics preservatives. When, the dosage is about 0.1%.

③What is the preservative mechanism of sodium benzoate?

Benzoic acid preservatives work with its unsolved molecules. The unsolved benzoic acid has strong oilyness. It is easy to enter the cells through cell membranes to interfere with the permeability of microbial cell membranes such as mold, which hinders the cell membrane to amino acids to amino acids The absorption, entering benzoic acid molecules in the cell, the storage alkali in acidified cells, inhibiting the activity of respiratory enzyme system in the microorganism, thereby playing a role in preventing the governm

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