Other Names:D-isoascorbic acid
Appearance:White, Crystalline Powder or Granular
CAS No.:89-65-6
MF:C6h8o6
EINECS No.:201-928-0
Application:Food additive
Description of Erythorbic Acid
Erythorbic Acid/Isoascorbic acid, formerly known as isoAscorbic Acid and D-araboAscorbic Acid, is a stereoisomer of Ascorbic Acid. And its chemical properties have many similarities with Vc, but as an antioxidant, E315 Erythorbic Acid/Isoascorbic acid has the inimitable advantage that Vc do not have: First, E315 Erythorbic Acid/Isoascorbic acid is superior to the anti-oxidation than Vc, therefore, mixed the Vc, it can effectively protect the properties Vc component in improving the properties have very good results, while protecting the Vc color. Second, higher security, no residue in the human body, participating in metabolism after absorb by human body, which can be transformed into Vc partially.
Technical specification of Erythorbic Acid
Test Item | Unit | The Standard |
Appearance | --- | White, Crystalline powder or granular |
Identification | --- | Positive reaction |
Assay | % | 99.0-100.5 |
Specific rotation | --- | -16.5º~-18.0º |
Residue on Ignition | % | 0.3Max. |
Heavy Metals(as Pb) | ppm | 10 Max. |
Lead | ppm | 5 Max |
Arsenic | ppm | 3 Max. |
Loss on drying | % | 0.4 Max. |
Application of of Erythorbic Acid
Erythorbic acid is mainly used in the food industry as an antioxidant in food, widely used in meat food, fish food, beer, fruit juice, juice crystals, canned fruits and vegetables, cakes, dairy products, jams, wine, pickles, oils, etc. . The dosage for meat products is 0.5~0.8/kg. For frozen fish, soak with 0.1%-0.6% aqueous solution before freezing. The dosage for beverages such as fruit juice is 0.01%~0.025%. Canned apple sauce, 0.15g/Kg (use alone or in combination with ascorbic acid), luncheon meat, cooked minced meat, cooked pork foreleg, cooked ham, 0.5g/kg (use alone in combination with ascorbic acid and its sodium salt, Calculated by ascorbic acid), peaches, applesauce: 2g/kg canned fruit 0.75-1.5g/l, natural juice 0.08-0.11g/l, beer 0.03g/l.
Packaging:
25kg bag /25kg drum
Storage and Transportation
Kept in a light-proof,well-colsed,dry and cool place
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