Simple and rapid analysis of endocrine disruptors in liquid medicines and intravenous injection solutions by automated in-tube solid-phase microextraction/high performance liquid chromatography

Kurie Mitani, Shizuo Narimatsu, Fumio Izushi, Hiroyuki Kataoka

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

A simple and rapid method was developed for analyzing contamination of endocrine disruptors in liquid medicines and intravenous injection solutions. Endocrine disrupting compounds such as bisphenol A (BPA), alkylphenols and phthalates were quantitated by on-line in-tube solid-phase microextraction coupled with high performance liquid chromatography (in-tube SPME/HPLC) with UV detection. The liquid medicines and intravenous injection solutions could be used directly without any pretreatment, and the BPA, alkylphenols and phthalates in these solutions were automatically analyzed. The limits of quantification for these compounds were 1-10 ng/ml. Recoveries of these compounds spiked to the intravenous injection solutions was over 80%, except for some phthalates. Di-n-butyl phthalate (DBP) was detected at a concentration of 7-60 ng/ml in most intravenous injection solutions in plastic containers, but it was not detected in solutions in glass bottles. Diethyl phthalate, di-n-propyl phthalate, DBP and di-2-ethylhexyl phthalate (DEHP) were also detected in syrup, lotion and eye drops in plastic containers. On the other hand, BPA and alkylphenols were not detected at all in these solutions. DEHP contamination from an administration set increased when total vitamin formulation was added to the infusion solution. DEHP was easily leached from polyvinyl chloride tubing by polysorbate 80. The in-tube SPME/HPLC method is simple, rapid and automatic, and it provides a useful tool for the screening and determination of endocrine disruptor contamination in liquid medicines and intravenous injection solutions.

Original languageEnglish
Pages (from-to)469-478
Number of pages10
JournalJournal of Pharmaceutical and Biomedical Analysis
Volume32
Issue number3
DOIs
Publication statusPublished - Jul 14 2003

Fingerprint

Endocrine Disruptors
Solid Phase Microextraction
High performance liquid chromatography
Intravenous Injections
Medicine
High Pressure Liquid Chromatography
Liquids
Plastic containers
Dibutyl Phthalate
Contamination
Plastics
Glass bottles
Polysorbates
Ophthalmic Solutions
Tubing
phthalic acid
Polyvinyl Chloride
Vitamins
Glass
Screening

Keywords

  • Automated sample preparation
  • Endocrine disrupting compound
  • In-tube solid-phase microextraction
  • Intravenous injection solutions
  • Phthalates

ASJC Scopus subject areas

  • Analytical Chemistry
  • Pharmaceutical Science

Cite this

Simple and rapid analysis of endocrine disruptors in liquid medicines and intravenous injection solutions by automated in-tube solid-phase microextraction/high performance liquid chromatography. / Mitani, Kurie; Narimatsu, Shizuo; Izushi, Fumio; Kataoka, Hiroyuki.

In: Journal of Pharmaceutical and Biomedical Analysis, Vol. 32, No. 3, 14.07.2003, p. 469-478.

Research output: Contribution to journalArticle

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