Traditional Culture Encyclopedia - Traditional stories - What's the difference between preservatives and preservatives?
What's the difference between preservatives and preservatives?
The difference between preservative and preservative is as follows
1, with different purposes.
Preservatives can keep things for a long time without deterioration; Preservatives can keep fresh things fresh for a while.
2. Different roles
Preservatives have antibacterial or bactericidal effects; Most preservatives are antioxidants.
3. Different types
Commonly used preservatives are: benzoic acid, tea polyphenols, natural vitamin E, pectin decomposition products and so on.
There are 25 kinds of preservatives used in China, such as benzoic acid, sodium benzoate, sorbic acid, potassium sorbate and calcium propionate.
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