Cinnamontree

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

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Last updated on: 12.03.2025

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Synonym(s)

Cinnamomom spp.

Definition
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Cinnamon is one of the oldest spices in the world. It is already mentioned in the Bible. Officially available are the peeled drug(Cinnamomi ceylanici cortex and Cinnamomi cassiae cortex - the Ceylonese and Chinese cinnamon bark respectively), the cinnamon oil(Cinnamomi zeylanici corticis aetheroleum) from the leaves or bark, as well as cinnamon powder.

Cinnamon oil, cinnamaldehyde and cinnamon alcohol are used as a spice for desserts, baked goods and confectionery, canned fruit, in liqueur production, in cola drinks, in perfume and cosmetics production and in toiletries as well as in preparative organic chemistry. In medicine as a stomatic agent to stimulate the appetite, usually in combination with other substances. The list of substances includes more than 50 preparations.

The bark (cinnamon bark - Cinnamomi cortex) is used phytotherapeutically after the cork and underlying layers have been removed, as is the essential oil (cinnamon oil - Cinnamomi zeylanici corticis aetheroleum).

Cosmetics industry: see under Cinnamomum zeylanicum extract (INCI)

Occurrence
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The Ceylon cinnamon tree (Cinnamomum verum) is native to Sri Lanka, South-West India. Cultivated in Ceylon and other tropical areas (South India, Jamaica, Antilles, South America) in so-called cinnamon gardens.

Cinnamomum verum is the parent plant of Cinnamomi ceylanici cortex of the officinal ceylon cinnamon bark.

The Chinese cinnamon tree (Cinnamomum aromaticum or Cinnamomum cassia) is native to southern China, but is also cultivated in Central and South America.

Cinnamomum aromaticum is the parent plant of Cinnamomi cassiae cortex of the officinal Chinese cinnamon bark.

Undesirable effects
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Apart from the main allergen cinnamic aldehyde, thymol, eugenol and linalool are other sensitizers which are less important. Sensitizing potency: Medium strong. Frequency of sensitization: Frequent.

Clinical picture
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Cinnamon cassava and the cassia oil extracted from it have also appeared as a cause of allergic contact dermatitis.

Cross-reactions are observed above all in Peru balsam allergy sufferers, but are also to be expected on cinnamon alcohol and occasionally on wood tars.

If a second compound is present in the mixture or solution in addition to the allergen, the so-called quenching effect may occur. In this case the allergenic effect of the sensitizer (e.g. cinnamic aldehyde, citral) is cancelled or reduced by the second substance (e.g. eugenol, limonene).

Trade names
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Salviathymol® drops

Literature
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  1. Hausen BM, Vieluf K (1997) Allergy plants, plant allergens. Ecomed Verlag Landsberg/Munich 97-99
  2. https://arzneipflanzenlexikon.info/cinnamon.php.
  3. Wenigmann M.(2017) Phytotherapy medicinal drugs phytopharmaceuticals application. Urban & Fischer: 5.123 Wolfstrappkraut (Lycopi herba) pp 218-219.