In order to guarantee a representative sample, the contents of the can of hop extract must be thoroughly homogenized. This can be accomplished through mechanical stirring, e.g., with a propeller-type agitator, after gently heating the contents, if necessary.
Hop extract intended for use in beer brewing or elsewhere in the food industry
Hop extract may have been standardized to a defined alpha content prior ot filling, e.g., with glucose syrup. The hop extract and glucose syrup tend to separate after packaging. For this reason, both phases should be homogenized very well prior to performing any analyses.