Volume 5, Issue 4 (December 2018)
J. Food Qual. Hazards Control 2018, 5(4): 134-139 |
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Dada E, Osidipe V, Iyaomolere K, Itoje S, Akinola M. Concentrations of Phthalates and Metals in Commercially Packaged Sachet and Plastic Bottled Water Sold in Lagos, Nigeria. J. Food Qual. Hazards Control 2018; 5 (4) :134-139
URL: http://jfqhc.ssu.ac.ir/article-1-483-en.html
URL: http://jfqhc.ssu.ac.ir/article-1-483-en.html
Department of Cell Biology and Genetics, Environmental Biology Unit, Faculty of Science, University of Lagos, Akoka, Yaba, Lagos, Nigeria , eodada@unilag.edu.ng
Abstract: (2936 Views)
Background: In many developing countries, numerous brands of bottled water and the relatively cheaper counterpart, sachet water, can be found in all cities, towns, and even villages. This study assessed the concentrations of some phthalates and metals in bottled and sachet water sold in Lagos, Nigeria.
Methods: Fifteen pieces of plastic bottled water and 15 pieces of sachet water were randomly obtained from different street vendors in Lagos, Nigeria. High Performance Liquid Chromatography (HPLC) was used to determine the levels of dimethylphthalate (DMP), diethylphthalate (DEP), and dibutylphthalate (DBP). Also, atomic absorption spectroscopy assay was applied in order to assess the contents of metals, including zinc (Zn), chromium (Cr), lead (Pb), and cadmium (Cd). All statistical analyses were carried out using the SPSS (version 20).
Results: The mean concentrations of DMP, DEP, and DBP in bottled water samples were 0.564±0.074, 0.248±0.166, and 0.042±0.049 mg/L, respectively; these rates for sachet water samples were 0.803±0.049, 0.243±0.035, and 0.160±0.073 mg/L, respectively. Some significant differences (p<0.01) were found between phthalates concentrations of various water brands. The mean DMP concentration of sachet water samples was significantly higher (p<0.01) than that of bottled waters. The concentrations of Zn, Cr, Pb, and Cd in the samples were within the acceptable limits.
Conclusion: The higher concentrations of phthalates in sachet water relative to bottled water indicate that drinking sachet water may pose higher risk of phthalates exposure.
DOI: 10.29252/jfqhc.5.4.4
Methods: Fifteen pieces of plastic bottled water and 15 pieces of sachet water were randomly obtained from different street vendors in Lagos, Nigeria. High Performance Liquid Chromatography (HPLC) was used to determine the levels of dimethylphthalate (DMP), diethylphthalate (DEP), and dibutylphthalate (DBP). Also, atomic absorption spectroscopy assay was applied in order to assess the contents of metals, including zinc (Zn), chromium (Cr), lead (Pb), and cadmium (Cd). All statistical analyses were carried out using the SPSS (version 20).
Results: The mean concentrations of DMP, DEP, and DBP in bottled water samples were 0.564±0.074, 0.248±0.166, and 0.042±0.049 mg/L, respectively; these rates for sachet water samples were 0.803±0.049, 0.243±0.035, and 0.160±0.073 mg/L, respectively. Some significant differences (p<0.01) were found between phthalates concentrations of various water brands. The mean DMP concentration of sachet water samples was significantly higher (p<0.01) than that of bottled waters. The concentrations of Zn, Cr, Pb, and Cd in the samples were within the acceptable limits.
Conclusion: The higher concentrations of phthalates in sachet water relative to bottled water indicate that drinking sachet water may pose higher risk of phthalates exposure.
DOI: 10.29252/jfqhc.5.4.4
Type of Study: Original article |
Subject:
Special
Received: 18/08/11 | Accepted: 18/11/05 | Published: 18/12/28
Received: 18/08/11 | Accepted: 18/11/05 | Published: 18/12/28
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