Acorus calamus L. is a perennial & rhizomatous herb growing on marshy places. Leaves are bright green, 15 – 25 cm long and 0.2 – 0.5 cm broad, uniform with a distinct midrib. Flowers are small, yellow-green arranged in cylindrical spandex. The aromatic rhizome (underground stem) of Acorus calamus L. is commonly referred to as calamus or sweet flag, Bhojo in Nepali.
Calamus has been taken over the centuries as a remedy for various sorts of digestive upsets and colic, especially in children. They are harvested in late autumn or early spring and are dried for later use. The dry root loses 70% of its weight but has an improved smell and taste.
Acorus calamus L. is a semi-aquatic, perennial, aromatic herb with creeping rhizomes. Calamus oil is a wild-crafted essential oil extracted from the dried comminuted rhizomes and roots of Acorus calamus L. It is a beautiful gift of the Himalayas. It is generally found in moist habitats such as the banks of ponds or streams and swamps throughout Nepal. Its oil possesses anti-spasmodic and carminative properties. The oil is used to treat stomach ailments and mental debility.
The major component of the essential oil are α-thujone; other components are α-pinene, β-pinene, β-fenchene, α-fenchene, β-thujone, 1, 8-cineol, camphor, iso-borneol, β-caryophyllene, caryophyllene oxide, davanone, p-cymene, germacrene D, δ-cadinene, limonene, and camphene.
As a stimulant for nerves and blood circulation, it increases blood circulation in the area of pain and swelling associated with rheumatism, arthritis, and gout.
Its antidepressant property is widely known for treating psychological disorders or depression.
Some antioxidants in this oil enhance regulation, production, and balance of hormones that not only improves libido but also regularizes the menstrual cycle.
The oil is often used to treat epilepsy and Parkinson’s disease as well as other disorders of the nervous system.
This essential oil helps to regain the loss of memory due to trauma and aging by repairing certain damages of neurons and brain tissues.
It tranquilizes mind and body, which might be of great remedy for treating sleep disorders, including insomnia.
The rhizomes of calamus are considered to possess anti-spasmodic, carminative and anthelmintic properties. They are used for the treatment of a host of diseases such as epilepsy and other mental ailments, chronic diarrhea, dysentery, bronchial catarrh, intermittent fevers, glandular and abdominal tumors. They are also used to treat kidney and liver troubles, rheumatism, and eczema.
Merely chewing the root is enough to kill the taste for tobacco. For ease of consumption, roots of 2 – 3 years old are used since older roots tend to become stable and hollow.
Calamus oil is one of the favorites in perfumery. The earthy and woody essence adds a flavor of choice in spice, as well as in alcoholic beverages.