Pepper and pepper oleoresins — Determination of piperine content — Method using high-performance liquid chromatography

Specifies a method for the determination (by high-performance liquid chromatography) of the piperine content of ground pepper, whole pepper and oleoresins of pepper. The method enables a separation and, if necessary, the determination of the other alkaloids of pepper (isochavicine, isopiperine and piperittin).