This is only an excerpt of the full article that appeared in P&F Magazine. The full content is not currently available online.
Black and White Pepper Oil
Tewtrakul et al. (2000) produced an oil from black pepper (Piper nigrum L.) of Malaysian origin using hydrodistillation. This oil, which was produced from a generic black pepper, was analyzed by GC/MS, and its composition was determined to be as follows: