Calamus Oil

Calamus Oil

Curcuma zedoaria fragrantissima in wild

  • Botanical Name:Curcuma zedoaria Rosc.
  • Local Names:Kachur
  • Family:Zingiberaceae
  • English Name:Zedoary
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Calamus Oil

Curcuma zedoaria fragrantissima in wild

  • Botanical Name:Curcuma zedoaria Rosc.
  • Local Names:Kachur
  • Family:Zingiberaceae
  • English Name:Zedoary

Plant Description

Sweet Flag is a perennial, semi-aquatic, erect, aromatic, herb reaching up to 70 cm in height. The plant have thick creeping root. Leaves are distichous, with parallel nerves. Spathe are leaf like with small yellow green bisexual flowers. It is distributed throughout Nepal within the altitudinal range of 200-2300m in wet, marshy places. It grows on the margins of lakes and streams with long branched rhizomes immersed in mud.

Extraction

Calamus oil is extracted from the steam distillation of the dried rhizomes of Acorus calamus.

Uses

The oil is used as anticonvulsant, antiseptic, bactericidal, carminative, diaphoretic, expectorant, insecticide, stimulant, stomachic, tonic, vermifuge, hypotensive, spasmolytic etc. Calamus causes increased dilation of spleenic vessels, an important factor in regulating blood pressure.

Since the oil is reported to have carcinogenic properties, it is not recommended for internal use.

The oil is used in perfumery and to scent hair powders.Oil is added to mouth washes and used to flavour the alcoholic beverages.

Organoleptic Properties

  • Appearance:Slightly Viscous Fluid
  • Colour:Yellow or yellowish brown
  • Aroma:Warm woody-spicy

Physico-Chemical Properties

  • Specific gravity:1.0695 to 1.0795 at 23° C
  • Optical rotation:[-] 0.2° to [-] 0.5° at 23° C
  • Refractive index:1.5335 to 1.5589 at 23° C
  • Acid number:0.6 to 2.5
  • Ester number:2 to 12
  • Solubility:Soluble in 0.4 to 1.5 volumes of 80% alcohol

Active Constituents

Major constituents of Calamus oil are α- asarone, α-terpinolene, β-asarone, acorenone, clamene, calamol, calamenene,iso-calamendiol, methyl isoeugenol, trans-β-ocimene etc.

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