Is Natural Red 20 vegetarian?

Alkannin (CI 75530) is a natural naphthoquinone dye obtained from the roots of the plant dyer's alkanet (Alkanna tinctoria), found in the Mediterranean region. It is used as a red-brown food colourant and in cosmetics, and is the (S)-enantiomer of the related compound shikonin; the racemic mixture of the two is known as shikalkin.

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.