CheckVegan

Is Violacein vegetarian?

Violacein

Vegetarian Vegetarian
Vegan Vegan

Violacein is a naturally occurring bis-indole pigment with antibiotic properties, produced by several species of bacteria including Chromobacterium violaceum, giving them a distinctive purple color.

Also known as 2H-Indol-2-one, 3-[1,2-dihydro-5-(5-hydroxy-1H-indol-3-yl)-2-oxo-3H-pyrrol-3-ylidene]-1,3-dihydro-, (3E)-
INCI name Violacein
CAS number 548-54-9
CosIng ID 94532
Last reviewed 9 July 2026

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.

Report an issue