Immobilization of Formaldehyde Residue in Yellow Croaker on Reticular Chitosan
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Abstract:
With Chitosan as a carrier, a method for immobilizing formaldehyde residue in yellow croaker was developed. Effects of several key factors, including glutaraldehyde concentration, the amount of FA-HSA, adsorption temperature and so on, on immobilization were investigated taking the adsorption rate of FA-HSA as the indicators. Through single factor experiments and orthogonal test, the best condition of formaldehyde immobilization on chitosan were determined as: glutaraldehyde concentration 5%, the amount of FA-HSA 14mL, adsorption temperature 42 ℃ and the adsorption time 4 h. Under the optimum immobilization conditions, the adsorption rate of FA-HSA reached the highest rate of 59.2%.
