Food preservation Minerals that are used for food preservation can be divided into two groups: a group that helps prevent spoilage of the food groups, and help prevent color change. The first sanklum used in food preservation Some substances, such as Curry, salt, nitrite and sulfite. A man known as used in food preservation for a long time. At present, there is a new type of substance to remove used together. These substances are sodium, potassium, or sodium Benso sobet EA. Sodium or potassium nitrite, sodium sulfite and sodium sulfite, involving meta. They predominate in the dried fruits and vegetables.
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