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Randomized Controlled Trial
. 2016 Jun;92:197-204.
doi: 10.1016/j.fct.2016.04.006. Epub 2016 Apr 23.

Vitamin C Intervention May Lower the Levels of Persistent Organic Pollutants in Blood of Healthy Women - A Pilot Study

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Randomized Controlled Trial

Vitamin C Intervention May Lower the Levels of Persistent Organic Pollutants in Blood of Healthy Women - A Pilot Study

Weihong Guo et al. Food Chem Toxicol. .

Abstract

Emerging evidence suggests that exposure to endocrine-disrupting chemicals including persistent organic pollutants (POPs) such as organochlorine pesticides (OCPs), polychlorinated biphenyls (PCBs), and polybrominated diphenyl ethers (PBDEs) has a long term impact on human health. The goal of this pilot study was to test whether antioxidant intervention by vitamin C supplementation may be a remedial approach to decrease body burden of POPs in humans. Using solid phase extraction coupled with a triple quadrupole mass spectrometer and a gas chromatography high resolution mass spectrometry, we measured 18 PCBs, 7 OCPs, and 5 PBDEs in the blood of 15 healthy California women (8 were obese/overweight and 7 had normal weight) before and after 2 months of vitamin C supplementation (1000 mg/day). We observed higher PBDE levels than PCBs and OCPs, but only PCB and OCP levels were strongly and positively correlated with participant's BMI and age. We also found statistically significant decreases in 6 PCBs (PCB-74, PCB-118, PCB-138, PCB-153, PCB-180, and PCB-187), and 2 OCPs (4,4'-DDE, and 4,4'-DDT), but not PBDEs after vitamin C supplementation. Pending confirmation of this pilot finding in a larger study of both sexes, vitamin C intervention may have important public health implications in protecting health by reducing body burdens of POPs.

Keywords: Intervention; OCPs; PBDEs; PCBs; Persistent organic pollutants; Vitamin C.

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