A highly sensitive quantification of phytosterols through an inexpensive derivatization.
Songbai Liu, Huina Ruan
Index: Chem. Phys. Lipids 166 , 18-25, (2013)
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Abstract
A highly sensitive method for quantification of phytosterols based on HPLC has been developed by derivatization with the benzoyl chromophore. Introduction of the chromophore, benzoyl group, to phytosterols via simple and inexpensive derivatization greatly improved the UV response at 254 nm. Quantification of phytosterols was effectively performed by HPLC analysis with methyl benzoate as the internal standard after derivatization. This new method demonstrated outstanding yield of recovery (> 95%) and excellent sensitivity (ng level) and was applicable for sterols from either plant or animal sources. This method is generally useful in phytosterol studies.2013 Elsevier Ireland Ltd. All rights reserved
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