Authors: Prof. Dr. med. Peter Altmeyer, Prof. Dr. med. Martina Bacharach-Buhles

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Last updated on: 29.10.2020

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Ammoidin; angelica; Angelica archangelica; Archangel Root; Medicinal angelica; officinal archangel

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Angelica archangelica, also called medicinal angelica or true angelica, is a plant species within the family of umbellifers (Apiaceae). It is widespread in the temperate latitudes of the northern hemisphere. It is cultivated in Thuringia, Saxony and northern Bavaria, among others.

The angelica is a deciduous, two to four-year-old plant that only flowers once. It reaches growth heights of 1.2 to 3 metres. The angelica has a thick rhizome, which is turnip-shaped in wild plants. The upright stem is round at the base, hollow inside and branched at the top. The serrated leaves of the plant are long stalked, two to three times pinnate and often 60 to 90 cm long.

The terminal double-molded inflorescences contain numerous greenish-white to yellowish flowers with hairy stems. The flowering period is from June to August. The yellow split fruit is 5 to 8 mm long and has an elliptical shape.

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Angelica archangelica is the parent plant of Angelicae radix of the official preparation from the root of the plant.

Angelica archangelica contains various photosensitizing coumarin derivatives such as: xanthotoxin (ammoidin) and xanthotoxol, the demethylated form of xanthotoxol.

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  3. Roth L et al (1984) Plant toxins- xanthotoxin. In: Roth L et al. (Eds)Poisonous plants, plant allergy. Nikol publishing company mbH Hamburg S 954

Outgoing links (1)

Angelicae radix;