Black pepper and white pepper, whole or ground — Determination of piperine content — Spectrophotometric method
黑胡椒和白胡椒 整粒或磨碎——胡椒碱含量的测定——分光光度法

1982-11-01

Herbs and spices ready for food use-Specification for black and white pepper (whole and ground)
可供食用的香草和香料

1995-06-15