Evidence for an accumulation of mineral oil saturated hydrocarbons (MOSH) in human tissues: a re-evaluation of biopsy and autopsy data

Author:

Pirow RalphORCID,Concin Nicole,Grob Koni

Abstract

AbstractConsumers are exposed to mineral oil hydrocarbons (MOH) e.g. through foodstuffs and cosmetics. Upon ingestion, MOH follow the absorption pathway of dietary lipids. Analytical chemistry has revealed the presence of the main fraction, designated as mineral oil saturated hydrocarbons (MOSH), in mesenteric lymph nodes (MLNs), liver, spleen, and adipose tissue. Recent results from animal studies raised concerns about a long-term, possibly irreversible accumulation of some MOSH in humans. To address this issue, we performed a statistical re-analysis of published biopsy and autopsy data regarding the age-dependence of MOSH levels in human tissue. MOSH concentrations in MLNs and adipose tissue showed a 1.2–1.4-fold increase per decade, pointing to very long-term accumulation in both tissues. There was no evidence for age-dependent MOSH concentrations in liver and spleen. There was no sex difference in the MOSH concentrations in MLNs, suggesting a similar oral exposure for men and women. On average, women had a 2.2–2.5-fold higher MOSH concentration in the liver, spleen and adipose tissue compared to men. This finding may point to a sex difference in metabolism, in line with animal data. The use of certain cosmetics was a relevant predictor in addition to age. Women that used cosmetics like lipstick, hand cream, and sun cream had an average 2.1-fold higher MOSH concentration in abdominal subcutaneous fat than non-users.

Funder

Bundesinstitut für Risikobewertung (BfR)

Publisher

Springer Science and Business Media LLC

Subject

Agronomy and Crop Science,Food Animals,Food Science,Biotechnology

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