Development of alpha acids

Increased demand for hops worldwide for many years has resulted in the breeding of hop plants and consequent development of new varieties with ever increasing alpha acid concentrations. This trend was accompanied by the introduction of 2 new classifications, one called “High-Alpha varieties”, the other called “Super-High-Alpha varieties”.

Since 1980, the average of all alpha-acid contents has increased by about 65%. This year’s average alpha concentration of 8.6% represents an all-time high...

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