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  • Title: Interaction between alkaline phosphatase and ascorbic acid by fluorescence and absorption studies.
    Author: Martorana GE, Meucci E, Miggiano GA, Mordente A, Castelli A.
    Journal: Ital J Biochem; 1983; 32(4):231-8. PubMed ID: 6654647.
    Abstract:
    Very low amounts of ascorbic acid modify alkaline phosphatase fluorescence, absorption and enzymatic activity. A strong quenching of enzyme, tryptophan and tyrosine emission together with evident alterations of the protein absorption characteristics are observed. The catalytic activity inhibition probably reflects a perturbation of the active site environment due to the interaction of ascorbic acid with enzyme aminoacyl residues.
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