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

Resource
Food & Chemical Toxicology 41 (2003),1491¡V1500
Journal
Food & Chemical Toxicology
Journal Volume
41
Journal Issue
11
Pages
1491-1500
Date Issued
2003?-05-27
Date
2003?-05-27
Author(s)
Huang, Yung-Kay
Lin, Kao-Hung
Chen, Hui-Wen
Chang, Chen-Chen
Liu, Chen-Wuing  
Yang, Mo-Hsiung
Hsueh, Yu-Mei
DOI
10.1016/S0278-6915(03)00165-0
DOI
246246/2006111501222613
URI
http://ntur.lib.ntu.edu.tw//handle/246246/2006111501222613
http://ntur.lib.ntu.edu.tw/bitstream/246246/2006111501222613/1/6313.pdf
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 HPLClinked 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 mg/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.
Subjects
Gibbs-Thomson effect
surface tension
spherical phase growth
solidification
Farmed mouthbreeder
Arsenic species
SDGs

[SDGs]SDG11

Other Subjects
arsenic; arsenic acid; arsenic trioxide; arsenobetaine; cacodylic acid; inorganic compound; methanearsonic acid; methanol; water; animal tissue; aquaculture; arsenic poisoning; article; atomic absorption spectrometry; blackfoot disease; controlled study; correlation analysis; endemic disease; extraction; fish; food poisoning; high performance liquid chromatography; nonhuman; pisciculture; pollution; pond; quantitative analysis; sea food; Soxhlet extraction; Taiwan; toxicity; ultraviolet radiation; cellular organisms; Melampodium; Oreochromis; Oreochromis mossambicus; Oreochromis mossambicus; Viola (angiosperm)
Publisher
Taipei:National Taiwan University Dept Mech Engn
Type
journal article
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6313.pdf

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