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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.

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lycopodium

Overview page. Subjects: Chemistry — Cookery, Food, and Drink.

1 any clubmoss of the genus Lycopodium.

2 the spores of various clubmosses, e.g. L. clavatum. They are used as a covering for pills and suppositories, in...

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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.

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