Simultaneous detection of thiamine and its phosphate esters from microalgae by HPLC.

Abstract:

:We present an easy and sensitive method for measuring thiamine and its phosphate esters in small biological samples of microalgae (Amphidinium carterae Hulburt and Nitzschia microcephala Grun). The method consists of extraction of thiamine and its derivatives in acid solution, followed by liquid chromatography with fluorescence detection. The detection limit is as low as 15 fmol of thiamine. For comparison to microalgae, the method has been applied to evaluate thiamine levels in the crustacean Artemia salina Leach and is suitable for nutritional studies of the food web of the Baltic salmon, which suffers from thiamine deficiency. This method of HPLC analysis can be readily utilized to follow uptake and interconversion of thiamine and its phosphate esters in many micro- and macroalgae.

authors

Pinto E,Pedersén M,Snoeijs P,Van Nieuwerburgh L,Colepicolo P

doi

10.1006/bbrc.2002.6438

subject

Has Abstract

pub_date

2002-02-22 00:00:00

pages

344-8

issue

2

eissn

0006-291X

issn

1090-2104

pii

S0006291X02964387

journal_volume

291

pub_type

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