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245	1	0	_aSpectrophotometric Quantitation of Antioxidant Capacity through the Formation of a Phosphomolybdenum Complex: Specific Application to the Determination of Vitamin E1
490	0		_vAnalytical BioChemistry, 269(2), p.337-341, 1999
520	3		_aA spectrophotometric method has been developed for the quantitative determination of antioxidant capacity. The assay is based on the reduction of Mo(VI)to Mo(V)by the sample analyte and the subsequent formation of a green phosphate/Mo(V)complex at acidic pH. The method has been optimized and characterized with respect to linearity interval, repetitivity and reproducibility, and molar absorption coefficients for the quantitation of several antioxidants, including vitamin E. The phosphomolybdenum method, in combination with hexane monophasic extraction, has also been adapted for the specific determination of vitamin E in seeds. The results obtained with the proposed method were validated by comparison with a standard HPLC method. The phosphomolybdenum method is routinely applied in our laboratory to evaluate the total antioxidant capacity of plant extracts and to determine vitamin E in a variety of grains and seeds, including corn and soybean.
700	1	2	_aPrieto, P.
700	1	2	_aPineda, M.
700	1	2	_aAguilar, M.
856	4	0	_uhttps://drive.google.com/file/d/1FnX-mDeFtX5uQXkOM3aV9a2Cy4NASHnI/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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