{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Cao Y"],"funding":["Risk Assessment Project of Dietary Intake of Titanium Dioxide in China"],"pagination":["1427"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11397697"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["14(17)"],"pubmed_abstract":["Titanium dioxide (TiO<sub>2</sub>) is a prevalent food additive, yet comprehensive data on particle size and dietary exposure are lacking in China. Transmission electron microscopy results revealed that the quantitative proportion of nanoparticles (NPs) in food-additive TiO<sub>2</sub> was 37.7%, with a mass fraction of 9.89%. Laboratory test results showed that among the domestic products surveyed, candies excluding gum-based candies contained the highest content of TiO<sub>2</sub>. Using consumption data from the China Health and Nutrition Survey in 2018, the average dietary exposure for TiO<sub>2</sub> and TiO<sub>2</sub> NPs in the Chinese population were calculated at 34.84 and 3.44 μg/kg bw/day, respectively. The primary dietary sources were puffed food and powdered drinks. Exposure varied significantly across age and region, with children and Inner Mongolia residents having the highest intake. TiO<sub>2</sub> NP exposure showed a negative correlation with age. Despite this, the dietary exposure risk of TiO<sub>2</sub> NPs for the Chinese population remains deemed acceptable."],"journal":["Nanomaterials (Basel, Switzerland)"],"pubmed_title":["Characterization of Food-Additive Titanium Dioxide and Dietary Exposure to Titanium Dioxide Nanoparticles among the Chinese Population."],"pmcid":["PMC11397697"],"funding_grant_id":["No. 2024-C05"],"pubmed_authors":["Liang C","Liu Z","Yong L","Cao Y","Sui H","Wei S","Xiao X","Liu Q","Wang H","Jiang D","Ou T","Song Y"],"additional_accession":[]},"is_claimable":false,"name":"Characterization of Food-Additive Titanium Dioxide and Dietary Exposure to Titanium Dioxide Nanoparticles among the Chinese Population.","description":"Titanium dioxide (TiO<sub>2</sub>) is a prevalent food additive, yet comprehensive data on particle size and dietary exposure are lacking in China. Transmission electron microscopy results revealed that the quantitative proportion of nanoparticles (NPs) in food-additive TiO<sub>2</sub> was 37.7%, with a mass fraction of 9.89%. Laboratory test results showed that among the domestic products surveyed, candies excluding gum-based candies contained the highest content of TiO<sub>2</sub>. Using consumption data from the China Health and Nutrition Survey in 2018, the average dietary exposure for TiO<sub>2</sub> and TiO<sub>2</sub> NPs in the Chinese population were calculated at 34.84 and 3.44 μg/kg bw/day, respectively. The primary dietary sources were puffed food and powdered drinks. Exposure varied significantly across age and region, with children and Inner Mongolia residents having the highest intake. TiO<sub>2</sub> NP exposure showed a negative correlation with age. Despite this, the dietary exposure risk of TiO<sub>2</sub> NPs for the Chinese population remains deemed acceptable.","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Aug","modification":"2025-04-18T13:38:16.917Z","creation":"2025-04-04T11:33:57.839Z"},"accession":"S-EPMC11397697","cross_references":{"pubmed":["39269089"],"doi":["10.3390/nano14171427"]}}