Erythorbic Acid is vitamin C a stereoisomer, and thus the chemical nature of vitamin C similar. Erythorbic Acid white to light yellow or crystal powder, odorless, acid taste, melting point 166-172 ℃, and decomposition, Erythorbic Acid gradually darken when exposed to light. Dry state, Erythorbic Acid fairly stable in the air, and in solution when exposed to air and rapidly degenerate, E315 almost no role in the physiological activity of ascorbic acid, Erythorbic Acid antioxidant properties than ascorbic acid, but the Erythorbic Acid poor heat resistance, reduced intensity, decomposition of heavy metal ions can promote Erythorbic Acid, Erythorbic Acid soluble in water at room temperature solubility of 40g/100ml, soluble in ethanol, 5g/100ml, insoluble in glycerin, insoluble in benzene, 1% aqueous solution of the PH value of 2.8. Antioxidant sodium erythorbate, far more than the antioxidant capacity of vitamin C, no vitamin C to strengthen the role, but the Erythorbic Acid will not hinder the bodys absorption and utilization of ascorbic acid. Human intake of E315, the body can be transformed into vitamin C. U.S. Food and Drug Administration (1980) Erythorbic Acid is generally recognized as safe substances.
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