High-performance liquid chromatographic analysis and separation of N-feruloylserotonin isomers |
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Authors: | Pavlík Milan Laudová Vera Grüner Karel Vokác Karel Harmatha Juraj |
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Institution: | Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Prague. |
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Abstract: | The N-feruloylserotonin containing fraction was isolated from seeds of Leuzea carthamoides (Willd.) DC by solvent extraction followed by column chromatography on silica gel or on Sephadex LH-20. Nuclear magnetic resonance spectroscopic analysis of the isolated fraction showed the presence of four structurally related compounds. These compounds were identified as four isomers of N-feruloylserotonin: N-(Z)-feruloylserotonin, N-(Z)-isoferuloylserotonin, N-(E)-feruloylserotonin and N-(E)-isoferuloylserotonin. They were analyzed by HPLC on Separon SGX C18, Separon SGX and Separon SGX phenyl, using various mobile phases. Separon SGX phenyl phase was found the most efficient for a rapid analysis and for the final separation of the N-feruloylserotonin isomers. |
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