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Alkaline phosphatase (ALP) is an important native enzyme of milk which is an established indicator for testing the adequacy of milk pasteurization. In the present study, a HPLC-UV method was standardized for the determination of ALP activity in pasteurized milk in terms of p-nitrophenol concentration liberated from the enzyme substrate di-sodium p-nitrophenyl phosphate. p-Nitrophenol was extracted...
Isometamidium (ISM) residues in milk can cause health problems to human beings. This manuscript described for the first time an electrochemical method for ISM analysis in milk samples. The voltammetric behavior of ISM over an extended pH range using both cyclic voltammetry and differential pulse voltammetry at a glassy carbon electrode (GCE) was also studied. In order to improve the analytical performance,...
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