Arsenic species contents at aquaculture farm and in farmed mouthbreeder (Oreochromis mossambicus) in blackfoot disease hyperendemic areas

Yung Kay Huang, Kao Hung Lin, Hui Wen Chen, Chen Chen Chang, Chen Wuing Liu, Mo Hsiung Yang, Yu Mei Hsueh

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Abstract

A study was conducted to measure the arsenic species in farmed mouthbreeder (Oreochromis mossambicus) and culture ponds in water in blackfoot disease (BFD) hyperendemic areas in Taiwan. The relationships between arsenic species of aquaculture ponds and farmed fish were also explored. Biota samples were extracted with methanol/water (1/1, v/v) using a Soxhlet extraction apparatus. The concentrations of arsenite As (III), arsenate As (V), monomethylarsonic acid (MMA), and dimethylarsinic acid (DMA) of extracts were measured by high-performance liquid chromatography (HPLC) linked to a hydride generator and atomic absorption spectrometry (HG-AAS). Moreover, arsenobetaine (AB) was analyzed by HPLC linked to ultra violet (UV) and HG-AAS. Concentrations of arsenic species were determined in 68 mouthbreeder (O. mossambicus) samples and 21 culture ponds from Putai and Yichu Townships of Chiayi County and Hsuehchia and Peimen Townships of Tainan County. The mean arsenic levels of culture ponds in Putai, Yichu, Hsuehchia, and Peimen were 75.8, 15.1, 14.4, and 221.0 μg/l, respectively. The water of culture ponds was dominated by As (V). The inorganic arsenic percentage of fish (7.4%) was higher than that reported by other seafood surveys. Except for the MMA and As (III) levels, As (V), DMA, AB, and total arsenic levels in fish significantly increased with inorganic and total arsenic concentrations of the pond water. Inorganic arsenic species are more toxic than methyl arsenic species. Therefore the effect of inorganic arsenic species might result in a greater number of adverse health effects to the general public. It is of importance to evaluate the inorganic arsenic levels of farmed seafood in arsenic-contaminated areas.

Original languageEnglish
Pages (from-to)1491-1500
Number of pages10
JournalFood and Chemical Toxicology
Volume41
Issue number11
DOIs
Publication statusPublished - Nov 1 2003

Fingerprint

aquaculture farms
Tilapia
Aquaculture
Oreochromis mossambicus
Arsenic
arsenic
Farms
Ponds
pond culture
cacodylic acid
Cacodylic Acid
Fish
hydrides
Seafood
Atomic absorption spectrometry
Fishes
Water
generators (equipment)
atomic absorption spectrometry
High performance liquid chromatography

Keywords

  • Arsenic species
  • Farmed mouthbreeder

ASJC Scopus subject areas

  • Food Science
  • Toxicology

Cite this

Arsenic species contents at aquaculture farm and in farmed mouthbreeder (Oreochromis mossambicus) in blackfoot disease hyperendemic areas. / Huang, Yung Kay; Lin, Kao Hung; Chen, Hui Wen; Chang, Chen Chen; Liu, Chen Wuing; Yang, Mo Hsiung; Hsueh, Yu Mei.

In: Food and Chemical Toxicology, Vol. 41, No. 11, 01.11.2003, p. 1491-1500.

Research output: Contribution to journalArticle

Huang, Yung Kay ; Lin, Kao Hung ; Chen, Hui Wen ; Chang, Chen Chen ; Liu, Chen Wuing ; Yang, Mo Hsiung ; Hsueh, Yu Mei. / Arsenic species contents at aquaculture farm and in farmed mouthbreeder (Oreochromis mossambicus) in blackfoot disease hyperendemic areas. In: Food and Chemical Toxicology. 2003 ; Vol. 41, No. 11. pp. 1491-1500.
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