henna
Overview page. Subjects: Chemistry — Cookery, Food, and Drink.
A preparation obtained from the dried and powdered leaves of Lawsonia alba, L. inermis, or L. spinosa, widely used for dyeing hair and fingernails. The active ingredient is lawsone.
lycopodium
Overview page. Subjects: Chemistry — Cookery, Food, and Drink.
sugar beet
Overview page. Subjects: Cookery, Food, and Drink — Chemistry.
The plant Beta vulgaris, which has a large root with a high sugar content, for which it is extensively cultivated.