What is the difference between mountain pepper and litsea?

They are the same thing. Mountain pepper is also known as litsea, mountain cubeb, cubeb, and mountain chicken pepper. It is a precious aromatic oil-producing small tree of the genus Litsea in the Lauraceae family. In China it is mainly distributed in the Yangtze River basin, with the largest distribution in Chongqing, Sichuan, Hubei, Hunan, Fujian and other provinces.

The fruit of mountain pepper is rich in volatile aromatic oil, and mountain pepper oil can be obtained through distillation and pressing. Citral, glycerin, lauric acid, n-decanoic acid, dodecenoic acid and other important chemical raw materials can be extracted from mountain pepper oil, citral, glycerin, lauric acid, n-decanoic acid, dodecenoic acid and other important chemical raw materials can be extracted from mountain pepper oil, and it can also be used to make soap. The flowers, fruits and root bark of mountain pepper are extremely fragrant and are used as a seasoning.