Hop resins and Czech hops essential oils composition. [PDF]
Metodou vysokoucinne kapalinove chromatografie, plynove chromatografie a važkových stanoveni byly zkoumany u vsech povolených odrůd ceskeho chmele kvantitativni a kvalitativni analyticke znaky (poměr a-hořkých kyselin / b-frakce, relativni podily kohumulonu a kolupulonu u jednotlivých hořkých kyselin, celkový obsah chmelove silice a jeji složen, ktere ...
F. KROUPA
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VARIABILITY OF ESSENTIAL OILS OF HOPS,HUMULUS LUPULUSL. [PDF]
A standard method for distinguishing the essential oils in hops has been developed. Factor, rotation-factor analyses have been used as well as correlation between gas chromatography and organoleptic estimation of aroma. A model for distinguishing 14 groups of oils using 31 descriptors has been developed utilising the variability of components in ...
D. Kralj +4 more
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Chemical Quality and Characterization of Essential Oils in Postharvest Hop cv. Cascade: Ventilated Room Temperature as a Sustainable Alternative to Hot-Stove and Freeze-Drying Processes [PDF]
Hop is a key ingredient in beer production, and drying it allows it to be stored before use. Unfortunately, postharvest drying techniques can negatively affect hop quality.
Edoardo Monacci +6 more
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Hop essential oils in the selected varieties from differently old hop yards. [PDF]
Helena Pluháčková +3 more
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Hops across Continents: Exploring How Terroir Transforms the Aromatic Profiles of Five Hop (Humulus lupulus) Varieties Grown in Their Countries of Origin and in Brazil [PDF]
Humulus lupulus, or hops, is a vital ingredient in brewing, contributing bitterness, flavor, and aroma. The female plants produce strobiles rich in essential oils and acids, along with bioactive compounds like polyphenols, humulene, and myrcene, which ...
Marcos Edgar Herkenhoff +2 more
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Effect of drying temperature in hop dryer on hop quality
One of the qualitative characteristics of both green and dried hops is the content of hop essential oils which are contained in a quantity of 0.5 to 3.5%, depending on the hop variety.
Adolf Rybka +2 more
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Pilot brewery tests of Czech flavour hop varieties registered in 2022
Seven new Czech “flavour hop” varieties were tested in pilot brewing trials (50 l), in which samples of Ale-style beer were prepared using dry hopping.
Alexandr Mikyška +5 more
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Effects of Dry-Hopping on Beer Chemistry and Sensory Properties—A Review
Dry-hopping is the addition of hops to the wort on the cold side of the brewing process. Unlike standard hop additions, its main purpose is not to produce a characteristic bitterness but to extract as much of the hop essential oils as possible, which are
Krystian Klimczak +2 more
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Evaluation of fine aroma Saaz Shine hop variety
The Saaz Shine variety was registered in 2019. It was tested in two areas, Chrášťany (no irrigation) and Stekník (with irrigation), between 2017 and 2021. An average hop yield in Stekník is 2.62 t/ha and in Chrášťany it is 2.54 t/ha.
Vladimír Nesvadba +2 more
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Dataset for Hop varieties classification
: Humulus lupulus L., also known as hops, is a vine whose flowers are a major component in brewing. It delivers flavor, bitterness, and aroma to beer and also aids in foam stabilization. Furthermore, it plays an important role in beer conservation due to
Pedro Castro +2 more
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