Sodium Ascorbate, E301, CAS no.134-03-2, is the sodium salt of Ascorbic Acid and manufacturing process from Ascorbic Acid. It is a white or light yellow crystalline powder, used as nutrition fortifier, antioxidant and preservative in food products such as in meat products, dairy products, and beverages. Sodium ascorbate is widely replaced by sodium erythorbate which has stronger antioxidant ability and will not bring acidic taste.

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Sodium Ascorbate food grade Specification
ITEM STANDARD
Appearance White to slightly yellow cr ystalline powder
Identification Positive
Assay (as C 6H 7NaO 6) 99.0 101.0%
Specific optical rotation +103 +106
Clarity of solution Clear
pH (10%, W/V ) 7.0 8.0
Loss on drying 0.25%
Sulphate (mg/kg) 150
Total heavy metals 0.001%
Lead 0.0002%
Arsenic 0.0003%
Mercury 0.0001%
Zinc 0.0025%
Copper 0.0005%
Residual Solvents (as Menthanol) 0.3%
Total plate count (cfu/g) 1000
Yeasts & molds (cuf/g) 100
E.coli/ g Negative
Salmonella/ 25g Negative
Staphylococcus aureus/ 25g Negative