Black pepper and white pepper, whole or ground — Determination of piperine content — Spectrophotometric method
NORM herausgegeben am 1.11.1982
Bezeichnung normen: ISO 5564:1982
Ausgabedatum normen: 1.11.1982
Zahl der Seiten: 2
Gewicht ca.: 6 g (0.01 Pfund)
Land: Internationale technische Norm
Kategorie: Technische Normen ISO
Description / Abstract: Describes a method based on a number of international collaborative studies carried out over a long period of time. The method seeks to optimize a number of variables in an attempt to define procedures and provide a common measure of the pungency of pepper. The principle consists in the extraction of the pungent compounds with ethanol and spectrophotometric measurement at 343 nm.