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2025-08-14 18:35
2381
Lyophilized vitamins@P25TiO2NPs were obtained through the described methods with excellent reproducibility and yield: over 99% of initial P25TiO2NPs were functionalized.
The US and Canada, however, approve the use of titanium dioxide as a food additive. Canada's recent review of titanium dioxide reconfirmed its safety and pointed out that many of the toxicity studies the EU reviewed were not relevant to the safety of titanium dioxide as a food ingredient, and that the ban is based on an abundance of caution and uncertainty.