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ECB-ART-39168
Int J Food Sci Nutr 2004 Jun 01;554:259-63. doi: 10.1080/09637480310001622323.
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Simultaneous determination of thiamin and riboflavin in the sea urchin, Paracentrotus lividus, by high-performance liquid chromatography.

Rodríguez-Bernaldo De Quirós A , López-Hernández J , Simal-Lozano J .


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Thiamin and riboflavin were determined in the sea urchin, Paracentrotus lividus, by reversed-phase liquid chromatography with fluorescence detection and a mobile phase consisting of 72% 0.005 M NH(4)OAc and 28% MeOH at a flow rate of 1.450 ml/min. The total analysis time never exceeded 20 min. After acid hydrolysis and enzymatic digestion, thiamin was oxidized to thiochrome and the oxidized fraction was purified and concentrated by solid-phase extraction. Limits of detection were 9 pg/ml and 80 pg/ml for thiamin and riboflavin, respectively. Good results were obtained with respect to repeatability (RSD%<2.4) and recovery (>91.3%).

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Genes referenced: LOC100887844