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Dehydroascorbic acid dimer (DDHA) is the commercially available form of oxidised vitaminC. When DDHA enters an aqueous environment, it will interact with water, but the details of this process are not well defined. Hydration of DDHA was analyzed as a function of concentration, pH and temperature. Above pH 5 only hydrated dehydroascorbic acid monomer (DHA) and its degradation product 2,3-diketogulonic...
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