Fluorimetric determination of D- and L-lactate derivatized with 4-(N,N-dimethylaminosulfonyl)-7-piperazino-2,1,3-benzoxadiazole (DBD-PZ) by high-performance liquid chromatography

Takeshi Fukushima, Sinya Adachi, Hideaki Ichihara, Salma Al-Kindy, Kazuhiro Imai

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

A highly sensitive method, based on fluorescence derivatization with 4-N,N-dimethylaminosulfonyl-7-piperazino-2,1,3-benzoxadiazole (DBD-PZ), was developed for the determination of D- and L-lactic acid. High-performance liquid chromatographic separation of the lactic acid derivative was achieved using an octadecylsilica column followed by enantiomeric separation on a phenylcarbamoylated β-cyclodextrin chiral column. The separation factor for D,L-lactic acid derivatives was 1.30 using MeOH/H2O (80/20) as a mobile phase, and the detection limits were approximately 360 and 300 fmol on column for D- and L-lactic acid derivative, respectively. The proposed method was applied to determine D- and L-lactate in a wine and a lactic drink. Both D- and L-lactate could be determined simultaneously, with the precisions ranging from 3.50 to 5.78% for intra-day and 4.28-9.92% for inter-day determinations. The relative recovery was in the range of 91.6-100%.

Original languageEnglish
Pages (from-to)418-424
Number of pages7
JournalBiomedical Chromatography
Volume13
Issue number6
DOIs
Publication statusPublished - 1999

Fingerprint

High performance liquid chromatography
Lactic Acid
High Pressure Liquid Chromatography
Derivatives
Wine
4-(N,N-dimethylaminosulphonyl)-7-(1-piperazinyl)-2,1,3-benzoxadiazole
Cyclodextrins
Limit of Detection
Fluorescence
Milk
Recovery
Liquids

ASJC Scopus subject areas

  • Analytical Chemistry
  • Clinical Biochemistry
  • Biochemistry, Genetics and Molecular Biology(all)
  • Biochemistry
  • Pharmacology

Cite this

Fluorimetric determination of D- and L-lactate derivatized with 4-(N,N-dimethylaminosulfonyl)-7-piperazino-2,1,3-benzoxadiazole (DBD-PZ) by high-performance liquid chromatography. / Fukushima, Takeshi; Adachi, Sinya; Ichihara, Hideaki; Al-Kindy, Salma; Imai, Kazuhiro.

In: Biomedical Chromatography, Vol. 13, No. 6, 1999, p. 418-424.

Research output: Contribution to journalArticle

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abstract = "A highly sensitive method, based on fluorescence derivatization with 4-N,N-dimethylaminosulfonyl-7-piperazino-2,1,3-benzoxadiazole (DBD-PZ), was developed for the determination of D- and L-lactic acid. High-performance liquid chromatographic separation of the lactic acid derivative was achieved using an octadecylsilica column followed by enantiomeric separation on a phenylcarbamoylated β-cyclodextrin chiral column. The separation factor for D,L-lactic acid derivatives was 1.30 using MeOH/H2O (80/20) as a mobile phase, and the detection limits were approximately 360 and 300 fmol on column for D- and L-lactic acid derivative, respectively. The proposed method was applied to determine D- and L-lactate in a wine and a lactic drink. Both D- and L-lactate could be determined simultaneously, with the precisions ranging from 3.50 to 5.78{\%} for intra-day and 4.28-9.92{\%} for inter-day determinations. The relative recovery was in the range of 91.6-100{\%}.",
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AU - Fukushima, Takeshi

AU - Adachi, Sinya

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AU - Al-Kindy, Salma

AU - Imai, Kazuhiro

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