Raman microscopy detects titanium dioxide in food samples
Titanium dioxide (TiO2) has long been used as a white pigment (E 171) in the food industry. Recently it’s been subject to increased scrutiny due to concerns that it might be carcinogenic. In May 2021, the European Food Safety Authority (EFSA) announced that the substance can no longer be considered a safe food additive (EFSA... Read more