A perennial grass about 3m tall. Leaves linear-lanceolate, 125 cm long. 1.7 cm broad. Flowers grayish or grayish green, rarely purple tinged, in drooping panicles.
Flowering period: July-Sept
Parts used: Whole Plant
Distribution: Cultivated throughout plain area of Nepal.
Method of Extraction: Steam Distillation
|Specification of Lemon Grass|
|1. Organoleptic Properties|
|Color||Deep yellow to orange-brown.|
|2. Physico-chemical Properties|
|Specific gravity||0.8725 to 0.8965 at 25º C|
|Optical rotation||[-] 1.25º to [-] 5º at 25º C.|
|Refractive index||1.4850 to 1.4936 at 25º C|
|Acid number||2 to 10|
|Ester number||15 to 40|
|Ester number after acetylation||220 to 260|
|Solubility||Soluble in 0.5 to 1.5 vol. of 80% alcohol|
|Citral content||70 to 85% (Hydroxylamine hydrochloride method)|
|3. Chemical constituent:
Herbs afford an essential oil containing Citral A and Citral B as major component and others are ά and β-pinene, camphene, limonene, linalol, nerol, geraniol and Geranyl Acetate.
a. Plant is aromatic, stimulant, diaphoretic, anthelmintic and laxative. Leaves are chewed to cure sore gums. Oil is used as insect repellent.
b. In flavors, cosmetics and perfumery
c. Medicinal & Aromatherapy use: Athlete’s foot, insect repellent, scabies, muscular aches and pains, poor circulation, insufficient milk in breast feeding mothers, colitis, indigestion, fevers, infections illness, headaches, nervous exhaustion and other stress related disorders.