FRENCH BASIL OIL

Botanical Name Ocimum basilicum L.
Synonyms Ocimum thyrisf/orum L., 0. caryophyl/atum Roxb.
Family Labiateae
Local Name Tulasi
English Name French Basil (Linalool type)

Plant Description

Basil is an erect, pubescent herb reaching up to lm in height. Leaves are petioled, ovate, acuminate, toothed, gland dotted beneath. Flowers are purplish white and borne in racemes. It mostly propagates by seeds.lt is distributed throughout the warmer parts of Asia, Africa and America. It is widely cultivated in eastern and central Nepal within the altitude of 300m to lSOOm in open sunny places.

Extraction

French Basil Oil is extracted by steam distillation of semi­ wilted flowering tops.

Uses

The oil is widely used as fragrance component in soaps, and in cosmetics and perfumery. It is also used to flavour the food items.

The oil has several therapeutic uses such as analgesic, antiseptic, antispasmodic, carminative, diaphoretic, digestive, expectorant, febrifuge, insecticide, nervine etc. The oil is used in skin care (skin tonic, assists hair growth, adds luster to dull hair), muscular aches and pains, respiratory disorders, scanty menstruation, normalize the menstrual cycle, colds and flu, nausea, anxiety, fatigue, insomnia,nervous tension etc.

Organoleptic Properties

Appearance: Fluid liquid
Colour: Faint Pale Yellow
Aroma: Sweet-spicy,fresh with a faint balsamic woody undertone.

Active Constituents

The major active constituents of French Basil oil are linalol, geraniol,T-cadinol,eugenol and 1,8-cineol.

Other minor constituents include p-cymenene, bornyl acetate, a-bergamontene, 13- elemene, terpinen-4-ol, germacrene D, geranyl acetate, a-amorphene, a-pinene, sabinene,13-pinene,13-myrcene,limonene etc.

Physico-Chemical Properties

Specific gravity 0.8799 to 0.9111 at 25° C?>
Optical rotation [-] 8.85° to[-] 11.85° at 250 C.?>
Refractive index 1.470 to 1.4895 at 25° C.?>
Acid number 2.5 to 6.5
Ester number 10 to 20
Ester number - (after acetylation)
Solubility Soluble in 1.5 to 3.5 vol. of 70% alcohol.