Article ID Journal Published Year Pages File Type
1379737 Bioorganic & Medicinal Chemistry Letters 2005 5 Pages PDF
Abstract

A novel approach for measuring phytase activity is presented. We have developed a new chromophoric substrate analog of phytic acid, 5-O-[6-(benzoylamino)hexyl]-d-myo-inositol-1,2,3,4,6-pentakisphosphate that permits direct measurement of the phosphate ester bond-cleavage reaction using HPLC. This compound, along with its dephosphorylated T-phosphatidylinositol intermediates, are quantified using reversed phase chromatography with UV detection.

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Physical Sciences and Engineering Chemistry Organic Chemistry
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