When E171 is part of a food product, it passes through the digestive system without causing harm because E171 combines with the other ingredients. 

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3.Used for coloring rubber products, varnishes, leather, paper, enamel, etc.

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The Role of Rutile Titanium Dioxide Factories in the Global Economy

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Following a request for assessment in 2020 by the EU, the European Food Safety Authority (EFSA) assessed E171, particularly for its genotoxicity. In 2022, the agency deemed the food additive no longer safe for use.  

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The first step in obtaining titanium dioxide typically begins with the mining of ilmenite, rutile, and anatase – minerals that contain titanium. These minerals are extracted from the earth through open-pit or underground mining methods. Once mined, they undergo beneficiation processes such as crushing, grinding, and gravity separation to concentrate the titanium-bearing ore.

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