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Comparison of qualitative indicators varieties of hops (Humulus lupulus) from various types of hop fields
 KORCOVÁ, Žaneta
The aim of this thesis was to determine content of - a -bitter acids in samples of hop obtained from different types of growing regions. Object of research were cultivars of Saaz late, Sládek and Premiant cultivated in three growing regions (Žatecko, Úštěcko, Tršicko) in year 2015. Nine hop samples from conventional agriculture and one from bio production were examined. For all growing areas, from which hop cones were obtained, was determined altitude, rainfall and average temperatures during vegetation period. Quantity of bitter acids were measured by HPLC. Our calculated correlation coefficients showed that the higher altitude and average temperature the lower content of bitter acids was measured and more precipitation has positive impact on content of bitter acids.
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