Q
why is there titanium dioxide in food
Chemical Chronicle – News and insights from the world of chemical industry
Titanium dioxide (TiO2) is a common additive in foods, primarily used for its whitening and brightening properties. It is added to various products, such as candies, sauces, and powdered drink mixes, to improve their appearance by providing a vibrant white color or enhancing the contrast of other colors. This additive, also known as E171 in the European Union, is generally recognized as safe by regulatory agencies due to its low toxicity and poor absorption in the human body. However, recent studies have raised concerns about potential health risks associated with nano-sized particles of TiO2, which may behave differently from larger particles. Despite these concerns, the use of TiO2 in food remains widespread due to its effectiveness and the lack of consensus on the safety of nanoparticles. To address these issues, some manufacturers are exploring alternatives, while others are investing in research to better understand the effects of TiO2 at the nanoscale.
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