Characterization of the TiO2 E171 food additive

Last updated on 4-5-2021 by Jill Alexandre

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E171 (Titanium dioxide) is an EC approved food additive (EC 1129/2011), authorized to be used as color in foodstuffs. It is widely used for its refractive properties (shiny coating, UV protection) in the food and pharmaceutical industries. It is intended and assumed to be present in bulk form. A nanofraction may be present.Dispersion is crucial step to characterize the particle properties of food additives as it allows to separate the primary particles. To better characterize titanium dioxide food additives (E171) their dispersion method was optimized. A dispersion methodology based on t…

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