Acorus calamus (scientific name: Acorus calamus Linn.), also called water calamus, white calamus, and Tibetan calamus, with the ancient names , is an aquatic herb. Acorus calamus can extract aromatic oil. Dragon Boat Festival has the calamus leaves and mugwort bundle together in the eaves of the custom. In addition, calamus is also an important herbal medicine.

Base source plants
Acorus calamus (Latin name: Acorus calamus Linn.), belongs to the family Acorus calamus.

Distribution of origin: calamus is widely distributed, the entire temperate zone can basically find it, there are also distributed throughout China.

Morphological characteristics: perennial herbs. Underground there are long rhizomes, every spring from the rhizome clusters of sword-shaped leaves, leaves are very long, up to more than thirty centimeters, the longest can reach 80 cm, in two rows, the main veins are prominent, fragrant. In early summer, flowering stems are produced between the leaves, bearing yellow flowers arranged in fleshy spikes cylindrical in shape, with the scape basal out and spathe-like.

Extraction Parts
Rootstock

Extraction method
Water steam distillation

Color and Aroma Characteristics
Yellow transparent liquid; richly woody with a leathery aroma.

Chemical composition
α-caryophyllene, β-caryophyllene, γ-caryophyllene, α-didehydrocalciferene, etc.

Composition pharmacological activity
Acorus cerevisiae: ① has neuroprotective effect, and α-acorus cerevisiae has stronger activity than β-acorus cerevisiae and γ-acorus cerevisiae; ② has in vitro inhibitory effect on acetylcholinesterase (AChE).

Calamus Root Essential Oil Effects
Brain/Nervous System - Calamus root essential oil produces a calming effect and is suitable for meditation, yoga and other scenarios, as well as for promoting sleep.
Relieves mental stress and rejuvenates the spirit in states of anxiety and/or depression.
Enhances memory and cognitive function.
Prevents seizures.

Anti-inflammatory/pain relief - Has powerful anti-inflammatory effects and may help reduce pain and swelling caused by inflammation, such as arthritis.
May be effective in relieving pain, such as chronic back pain.

Digestive System- Relieves gastrointestinal discomfort and aids in digestion.

Immune system-anti-infection, reduce colds and fevers.

Application areas: aromatherapy, cosmetics, etc.

Usage
For meditation and yoga: Calamus root essential oil, sandalwood essential oil, lavender essential oil, Atlantic cedar essential oil, etc., mixed and diffused in pure form.
To relieve arthritis: Calamus root essential oil, lavender essential oil, black pepper essential oil, lime essential oil, etc., mixed and diluted in vegetable oil at 10% concentration and massaged into the affected area.
Improve indigestion: Calamus root essential oil, peppermint essential oil, bitter orange essential oil, happy sage essential oil, etc., mixed and diluted in 10% concentration in vegetable oil, massage the abdomen.

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