Steam distilled Essential Oil from dried rhizome of Acorus Calamus. Its use has been restricted by IFRA due to high percentage of Asarone in Indian Calamus Oil. A high concentrations (0.5%) of b-Asarone have been shown to be positive in Ames mutagenic test following activation. Recently to enhance memory it is being used in a drug called megamind plus

Uses and Advance Studies:

• The oil of Calamus is used as an ingredient in flavors, particularly in liquors.
• The oil is also employed in perfumery.
• It is used as an insecticide in the Ayurvedic system of Indian medicines and also as a stimulant, emetic, nauseant, stomachic, aromatic, expectorant, carminative, antispasmodic, and nervine sedative.
• Due to its high Asarone percentage, this oil is useful in treating mental ailments.
• Because of its insecticidal activity, it has been used in combination with neem oil and cedarwood oil as a room spray against household insects.