Meanwhile,
Animal milk, breast milk …:
Particles of titanium dioxidea potential carcinogen in humans. however prohibited in food, have been found in breast milk, humanized milks and milk sold in trade, reveal work of scientists from INRAE, AP-HP and CNRS published this Wednesday, July 23, 2025.
“Massively used in a multitude of everyday products” (toothpaste, sunscreen, drugs, plastics, makeup, paper, paintings, etc.). used as a white and opacifying color in the diet (E171), titanium dioxide has been prohibited as a precautionary measure in France In 2020 and then in the European Union in 2022, the researchers recall.
“In the form of nanoparticles” – Animal milk, breast milk …
Their work. animal milk, breast milk … published in the journal Science of the Total Environmenthowever, show that this compound was detected “in human, animal and infantile milks, especially in the form of nanoparticles”.
Titanium dioxide particles have been found in “the maternal milks of ten volunteer women living in Paris. in the near suburbs, at variable rates, certain women with up to 15 times more particles than others”, which proves that this substance “can pass the barrier from the mammary gland”.
“100 % of animal milks (fresh. powdered, from cows, donkeys or goats)”, both from organic and conventional farming, and 83 % of infantile milks (from trade, from 1 to 3e age, organic or not) analyzed contained.
In detail, 6 million at 3.9 billion titanium particles were detected per liter of infant milk, and 16 to 348 million per liter in animal milks.
Adult milk consumers also exposed
“This inventory of animal milk, breast milk … the current contamination of milks reflects the level of exposure of newborns. mothers, but also adult milk consumers,” said researchers. And this, despite the prohibition of the E171 in food, suggesting “the existence of other contamination” than eating, they underline.
Carcinogenic substance:
Titanium dioxide has been classified as a potential carcinogenic in humans by inhalation since 2006. recall the scientists of INRAE (National Research Institute for Agriculture, Food and the Environment), the AP-HP (Public Assistance-Hospitals of Paris), Synchrotron Soleil and CNRS, the National Center for Scientific Research.
The authors of this study wanted to better assess “the impact of this massive release of titanium dioxide on living beings”. “real exposure of animals and humans”. It had already been shown that the nanoparticles present in the Additive E171 crossed the placenta. This work will be able to serve as a basis for future toxicity studies.
(Source : AFP)
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