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Calamus oil is extracted from Acorus calamus var. angustatus of the Araceae family.
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Calamus oil has a warm, spicy odor, reminiscent of a sweet forest.
Calamus is a perennial, semi-aquatic, marshy plant, native to northern Europe and Asia. The root of this plant is used in herbal medicine for the treatment of nervous complaints, vertigo, headaches and dysentery.
The essential oil contains asorone, which is a carcinogenic, and oral ingestion can cause convulsions and liver and kidney damage.
When fed to rats at an inclusion rate of 0.05 - 0.5% in their daily diet, calamus oil caused malignant tumors to develop in the duodenum after 59 weeks. Severe tremors occurred lasting from 30 minutes to 2 hours when calamus oil was orally ingested.
Calamus oil is extracted from the fresh roots or the unpeeled dried root by steam distillation.
The main chemical components are acorenone, b-gurjunene, isoshyobunine, b-asarone, calamendiol, a-selinene, a-calacorene, calamusenone, camphone and shyobunone.
Calamus oil should never be used in aromatherapy.
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