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. 1982 Sep 24;247(1):157-64.
doi: 10.1016/s0021-9673(00)84865-7.

Fluorimetric determination of biogenic 5-hydroxy- and 5-methoxyindoles by high-performance liquid chromatography using perchloric acid as post-column reagent

T Hojo, H Nakamura, Z Tamura

Fluorimetric determination of biogenic 5-hydroxy- and 5-methoxyindoles by high-performance liquid chromatography using perchloric acid as post-column reagent

T Hojo et al. J Chromatogr. .

Abstract

A method for the determination of biogenic 5-hydroxy- and 5-methoxyindoles using high-performance liquid chromatography with fluorescence detection was developed. The specific fluorescence of these indoles induced by perchloric acid was utilized as the post-column detection system. The determination limits were 3 pmol for 5-hydroxy-L-tryptophan and 5 pmol for serotonin (5-HT) and 5-hydroxyindole-3-acetic acid (HIAA). The method was applied to the determination of 5-HT and HIAA in rat brain tissues using 5-hydroxygramine as the internal standard.

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