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What is titanium dioxide? Why is it used in food products?

Fig. 1. Weight loss (%) of vitaminB2@P25TiO₂NPs.

Because of health risks, France banned titanium dioxide as a food additive in 2020. Two years later the European Union also banned titanium dioxide as a food additive. 

Reason for listing: CNNC Huayuan Titanium Dioxide Co., Ltd., a well-known brand of titanium dioxide factory, started in 1989, specializing in the research and development, production, sales and service of titanium dioxide products. One of the titanium dioxide enterprises producing more than 10,000 tons.

In the same year (2019), the Netherlands Food and Consumer Product Safety Authority (NVWA) also delivered an opinion on possible health effects of food additive titanium dioxide, which highlighted the importance of examining immunotoxicological effects in addition to potential reprotoxicological effects.