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Is Juglone vegan?

Juglone is a naturally occurring phenolic organic compound (5-hydroxy-1,4-naphthoquinone) found primarily in plants of the Juglandaceae family, notably black walnut (Juglans nigra) and English walnut (Juglans regia). In the food and dye industry it is known as C.I. Natural Brown 7. It is an isomer of lawsone, the active dye compound in henna leaves.

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.