Black Pepper Essential Oil

Black pepper essential oil is extracted from the plant piper nigrum of the piperaceae family. The oil is made from the unripe fruit of the plant, while white pepper for household use is made from the same fruit, but the berry is picked when fully ripe and the outside layer (pericarp) is removed before drying.the plant native to india, malaysia, madagascar, china and indonesia and the oil is mostly made in singapore, india and malaysia.
basic information
common name black pepper
botanical name: pipper nigrum linn
country of origin: south india
major chemical constituents: caryophyllene, β-pinene, phellandrene
obtained from: dried berries
method of separation: steam distillation
color and appearance: colorless to slightly greenish
order strong
specification
refractive index at 25°c 1.4000 to 1.5000
optical rotation -1° to -23°
specific gravity at 25°c 0.890 to 0.900.