Long term ingestion of titanium dioxide may damage the ability of human intestinal cells to absorb nutrients and resist pathogens
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Last Update: 2017-02-22
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Source: Internet
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Author: User
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Although titanium dioxide, a common food additive, is considered non-toxic, long-term ingestion of titanium dioxide may also damage the ability of human intestinal cells to absorb nutrients and resist pathogens, according to a new US study Researchers from the University of Binghamton and other institutions in the United States reported in the new academic journal nano impact that they used small intestine cells cultured in the laboratory to simulate the impact of titanium dioxide particles with a diameter of about 30 nm on the intestine For example, in 4 hours, let intestinal cells contact the amount of titanium dioxide particles in a meal to simulate acute contact; in 5 days, let intestinal cells contact the amount of titanium dioxide particles in three meals to simulate chronic contact The results showed that acute contact would not cause any change, but chronic long-term contact would reduce the protuberance on the microvilli on the surface of small intestinal cells, thus damaging the antibacterial barrier of the digestive system, reducing the digestion speed, and affecting the absorption of nutrients such as iron, zinc, fatty acids, etc., in addition to the increase of inflammation indicators Titanium dioxide, also known as titanium dioxide or titanium sugar, is a common food additive, which is considered safe by the U.S Food and Drug Administration (http:// It is often added to toothpaste, chocolate to add texture, or used in doughnuts, skimmed milk and other foods to make them look brighter and more attractive In addition, it is widely used as a white pigment in coatings, paper and plastics, and it is also added to sunscreen to resist ultraviolet rays Researchers from Arizona State University in the United States tested 89 common foods in 2012 (http:// including chewing gum, cream sandwich cake and mayonnaise, and found that these foods contain titanium dioxide Gretchen Mahler, one of the authors of this research paper and assistant professor of Biomedical Engineering at Binghamton University (http:// said: "to prevent the intake of too many titanium dioxide particles, it is better to avoid eating deeply processed food, especially candy "
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