Peppermint oil

[ ] B He S Pinyin names which Y: u
English name [ ] OLEUM MENTHAE DEMENTHOLATUM
[ alias ] mint oil
[ source ] Ben Pinwei Labiatae plants mint Mentha haplocalyx Briq. Fresh stems and leaves by steam distillation, and then frozen, some essential oil obtained from brain processing.
[ character ] is a colorless or light yellow clear liquid. There are special refreshing flavor, taste, at the beginning of digoxin after the cold. Storage time, deep color gradient. This product with ethanol, chloroform or ether can be arbitrarily mixed. Relative density shall be 0.888 ~ 0.908 ( Appendix VII A ). Rotation of the product, according to the determination of ( Appendix VII E ), rotation should be 17 degrees to 24 degrees. Refractive index should be 1.456 ~ 1.466 ( Appendix VII F ).
[ ] the product identification 1 drops, add 3 ~ 5 drops of sulfuric acid and vanillin crystal amount, should be shown orange red, add 1 drops, namely purple.
[ ] functions Aromatic Medicine, seasoning drugs and wind expelling drugs. Can be applied to the skin or mucosa produce cool feeling to relieve the discomfort and pain.
[ usage] oral administration, a 0.02 ~ 0.2ml, 0.06 ~ 0.6ml one day. Topical amount.
[ storage ] shading, sealing, shade.
Excerpts from" Chinese Pharmacopoeia" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/