Sodium erythorbate (C6H7NaO6) is a food additive used predominantly in meats, poultry, and soft drinks. Chemically, it is the sodium salt of erythorbic acid. When used in processed meat such as hot dogs and beef sticks, it increases the rate at which nitrate reduces to nitric oxide, thus facilitating a faster cure and retaining the pink coloring. As an antioxidant structurally related to vitamin C, it helps improve flavor stability and prevents the formation of carcinogenic nitrosamines. When used as a food additive, its E number is E316.[2] The use of erythorbic acid and sodium erythorbate as a food preservative has increased greatly since the U.S. Food and Drug Administration banned the use of sulfites as preservatives in foods intended to be eaten fresh (such as ingredients for fresh salads) and as food processors have responded to the fact that some people are allergic to sulfites.[3]
Sodium erythorbate is produced from sugars derived from different sources, such as beets, sugar cane, and corn.[4][dead link][5] [6]An urban myth claims that sodium erythorbate is made from ground earthworms; however, there is no truth to the myth.[7] It is thought that the genesis of the legend comes from the similarity of the chemical name to the words earthworm and bait.[7]
I cant answer and have never used sodium erythorbate before but it sounds like its for fast curing. Cure only takes about 4 hrs but with larger processors who process in larger bulk probably use it to speed up their production. This is just my 2 cents
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