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Anal Biochem. 2012 Nov 15;430(2):151-5. doi: 10.1016/j.ab.2012.08.010. Epub 2012 Aug 23.

Simultaneous high-performance liquid chromatography determination of coenzyme A, dephospho-coenzyme A, and acetyl-coenzyme A in normal and pantothenic acid-deficient rats.

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Department of Food Science and Nutrition, School of Human Cultures, University of Shiga Prefecture, Hikone, Shiga 522-8533, Japan.


We describe here a simultaneous high-performance liquid chromatography method for practical and rapid determination of coenzyme A (CoA), dephospho-CoA, and acetyl-CoA in tissues. These coenzymes are biosynthesized from the vitamin pantothenic acid (PaA), which is involved in the metabolism of fatty acids, amino acid catabolism, and several other nutrients. The method employed a Tosoh TSK-GEL ODS-100 V column (250×4.6mm i.d., particle size 5μm) eluted with 100mmol/L NaH(2)PO(4) and 75mmol/L CH(3)COONa (pH was adjusted to 4.6 by the addition of concentrated H(3)PO(4))-acetonitrile (94:6, v/v) at a flow rate of 1.0ml/min. The ultraviolet detector was set at 259nm. The limits of detection for CoA, dephospho-CoA, and acetyl-CoA all were 10pmol. The method was applied to the analysis of several tissues of rats fed normal and PaA-free diets. The results clearly showed that the method was suitable for the simultaneous determination of CoA, dephospho-CoA, and acetyl-CoA in the liver, heart, kidney, spleen, testis, large colon, and muscle, but not for the small intestine, of rats.

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