(a) Describes the primary taste produced by dilute aqueous solutions of various substances such as quinine, caffeine and given alkaloids.
(b) Describes the attribute of pure substances or mixtures which produces this taste.
The corresponding noun is bitterness.
Olive Sector Statistics – October 2025
MADRID, SPAIN / 24.10.2025
Welcome to the IOC, the only intergovernmental organisation in the world that brings together all stakeholders involved in the production and consumption of olive oil and table olives. Here you will find a summary of the...
IOC international training for panel leaders on virgin olive oil sensory analysis
The International Olive Council (IOC), in collaboration with the International Centre for Advanced Mediterranean Agronomic Studies – Zaragoza Institute (CIHEAM Zaragoza), has launched a new international course for panel...

