Vitamin C — added to foods to stop browning and preserve color. Identical to the vitamin in fruit.
Evidence & sources
Ascorbic acid (E 300) is authorized as a food additive in the EU; EFSA found no safety concern at reported uses. Evidence: regulatory. Known: Re-evaluation. Unknown: — Source: European Food Safety Authority, Re-evaluation of ascorbic acid (E 300), sodium ascorbate (E 301) and calcium ascorbate (E 302) (2015).