Feature: Peppermint oil shall be colorless or light yellow clear liquid, with particular cool and refreshing aroma, firstly acrid and later cool flavor; Color shall become deeper when stored for a longer time.

Relative density: 0.888-0.908

Refractive index: 1.456-1.466

Main ingredients: Mentrol＞28-40%

Origin and usage: Peppermint oil is a volatile oil extracted from fresh stems and leaves of labiatae peppermint by steam distillation, freezing and partially menthol extracted. It is mainly used in drugs for analgesio,antiphlogosis; and added in products, like toothpaste, cosmetics and tobacco,etc.