Study on amino acids chelating calcium prepared by shellfish processing by-products

To enhance the rate of reuse of seafood by-product,we choose discarded oyster shells and Glycine as the main raw material, using water-phase synthesis to prepare chelate. The mass ratio of ash and Glycine, add water and the reaction time are the three factors, The reaction under the conditions of aqueous phase in the 90~100 centigrade, with stirred tank reactor. Through the single factor experiments and orthogonal test and analysis, finding the most suitable conditions for chelation, according to primary and secondary in the order: Glycine and ash ratio of 1:3, Glycine concentration of 2.5%, reaction time is 30min.