The whole hops are carefully rubbed between the palms of the hands and evaluated sensorially. The sensory attributes are evaluated with regard to purity, fineness and intensity of the aroma.
Whole leaf hops which are intended for use in the brewing and food production industries
Whole leaf hops are typically evaluated before being processed further by hop product manufacturers or prior to use in a brewery. It is recommended that an evaluation sheet be used for manual evaluation of hops such as the "Evaluation Form" from the Gesellschaft für Hopfenforschung e.V.