Main application of Food grade titanium dioxide

2019-09-10

Food grade titanium dioxide is mainly used in meat products, fish marinated products, confectionery, baked goods, cheese, sugar coatings, seasonings and food supplements. If used in combination with other pigments, it can produce a soft color. Because titanium dioxide is water-insoluble, it should be dissolved in a medium such as cooking oil, propylene glycol, syrup or an aqueous solution added to a thickener. Then proceed to the next step.

titanium dioxide

Although food grade titanium dioxide is used in many food industries, many countries require that their purity be above 99%. Since titanium dioxide is insoluble in water, hydrochloric acid, dilute sulfuric acid and organic solvents, it hardly reacts with food ingredients. In 1969, the FAO/WHO Joint Expert Committee on Food Additives and Contaminants (JECFA, 1970) did not specify ADI (daily allowable intake) values for food grade titanium dioxide. It may be considered that titanium dioxide is non-toxic. JECFA concluded that the safety of food grade titanium dioxide, including its absorption, distribution, metabolism and toxicology experiments, JECFA concluded: “Food grade titanium dioxide is a poorly soluble compound, including Several species, including humans, have been studied, showing that there is neither substantial absorption nor tissue deposition after the intake of titanium dioxide. Studies on soluble titanium compounds have not yet concluded. Valuable records suggest that the absorption of small amounts of titanium ions has no toxic effects, so there is no need to specify daily human intake. Because food grade titanium dioxide is insoluble and chemically inert, intake in food is only specified in GMP.

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