Dioxin concentrations in dietary supplements containing animal oil on the Japanese market between 2007 and 2014. (January 2018)

• Record Type: Journal Article
• Authors: Tsutsumi, Tomoaki; Takatsuki, Satoshi; Teshima, Reiko; Matsuda, Rieko; Watanabe, Takahiro; Akiyama, Hiroshi
• Is Part Of: Chemosphere. Volume 191(2018)
• Page Start: 514
• Page End: 519
• Publication Date: 2018-01
• Subjects: Polychlorinated dibenzo-p-dioxins -- Polychlorinated dibenzofurans -- Dioxin-like polychlorinated biphenyls -- Supplements -- Animal oil; Pollution -- Periodicals; Pollution -- Physiological effect -- Periodicals; Environmental sciences -- Periodicals; Atmospheric chemistry -- Periodicals; 551.511
• DOI: 10.1016/j.chemosphere.2017.10.046
• Languages: English
• ISSNs: 0045-6535

Abstract

Abstract: We determined the concentrations of dioxins (polychlorinated dibenzo- p -dioxins, dibenzofurans and dioxin-like polychlorinated biphenyls) in 46 dietary supplement products, containing the oil of fish, marine mammals, or egg yolk, on the Japanese market between 2007 and 2014. Dioxins were detected in 43 of the 46 products tested at concentrations from 0.00015 to 67 pg TEQ/g. The highest concentration of dioxins was found in a shark liver oil product which varied insignificantly in five batches collected over a two-year period. The dioxin intakes from these five batches reached 2.3–2.8 pg TEQ/kg bw/day, or 58%–70%, respectively, of the Japanese tolerable daily intake (TDI) of 4 pg TEQ/kg bw/day. However, the dioxin intakes from most of the other products tested were less than 5% of the TDI. Although rare, supplements based on animal oils may contain relatively high concentrations of dioxins, leading to a substantial increase in dioxin intakes. Highlights: Forty-six animal oil products on the Japanese market were analyzed for dioxins. The highest concentration of dioxins was found in a shark liver oil product. Dioxin concentrations of five batches of the most contaminated product were similar. Dioxin intakes from the five batches varied from 2.3 to 2.8 pg TEQ/kg bw/day.