Jg. March et al., ENZYMATIC SPECTROPHOTOMETRIC DETERMINATION OF PHYTIC ACID WITH PHYTASE FROM ASPERGILLUS-FICUUM, Analytica chimica acta, 300(1-3), 1995, pp. 269-272
A method to determine phytic acid in the range 3-60 mu M based on the
spectrophotometric determination of inorganic phosphate with vanadate
and molybdate, after Liberation by enzymatic hydrolysis of phytic acid
with phytase from Aspergillus ficuum at pH 2.5 and 37 degrees C is re
ported. The method has been applied successfully to determine phytic a
cid in wheat flour and in a pharmaceutical product.