Bisphenol A Detection in Various Brands of Drinking Bottled Water in Riyadh, Saudi Arabia Using Gas Chromatography/Mass Spectrometer
AlOlayan, MA Elobeid ZM Almarhoon P Virk ZK Hassan SA Omer M ElAmin MH Daghestani EM . 2012
Purpose: To assess whether bisphenol A contamination occurred in seven brands of bottled drinking
water in Riyadh, Saudi Arabia.
Methods: Liquid-liquid extraction (using dichloromethane) was used to analytically extract bisphenol A
from drinking water bottles and a gas chromatograph-mass spectrometer was employed for its detection
using a splitless capillary column and helium as the carrier gas.
Results: The concentration of bisphenol A (BPA) was high in all the bottled water brands tested. The
mean concentration of BPA of the bottled water stored indoors (4.03 ng/L) was significantly lower than
that stored outdoors (7.5 ng/L).
Conclusion: Our results show that significant amounts of BPA leached from bottle containers into the
water. Long storage of bottled water under direct sunlight should be avoided to reduce the risk of human
exposure to BPA.
Arabia—was performed using enzyme-linked immunosorbent assay for detecting antibodies against two cyst-forming coccidian parasites, namely Toxoplasma gondii and Neospora caninum. Antibodies…
This study was undertaken to determine the seroprevalence of Toxoplasma gondii in cats
in the area of Riyadh, Saudi Arabia. We examined 200 serum samples collected from stray
and…
A cross sectional study was conducted during the period 2014–2015, to estimate the prevalence and
assess contribution of some risk factors for the occurrence of enterotoxaemia in sheep,…