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Characterisation of hop varieties grown in Romania based on their contents of bitter acids by HPLC in combination with chemometrics approach
α-acids β-acids Romanian hop cultivars Humulus lupulus principal component analysis
2015/3/30
Reverse-phase high performance liquid chromatography technique was used for studying the evolution of bitter acids from three varieties of hop growing in Romania during the development of hop cones an...
Influence of growing area, plant age, and virus infection on the contents of hop secondary metabolites
Humulus lupulus hop plant age polyphenols essential oils α- bitter acids β-bitter acids
2014/2/25
Hops and hop products (pellets and extracts) belong to the major raw materials employed in brewing industry. Many effects such as the growing area, hop plant age, and virus infection influence the con...
Comparison of Czech hop cultivars based on their contenst of secondary metabolites
hop Czech hop varieties polyphenols essential oils α-bitter acids β-bitter acids
2014/2/27
Seven Czech hop varieties (dry hop cones) coming from the harvest of 2008 (Agnus, Bor, Harmonie, Premiant, Rubín, Sládek, and Saaz) were compared for their composition depending on their varietal diff...
Combined Effect of Mustard and Hop Extract Agents with Emulsifier on Microbial Quality and Physiology of Fresh-cut Vegetables
cabbage shreds cucumber slices mustard extract agent
2010/2/3
Cabbage shreds and cucumber slices were dipped in water or solution of mustard extract agent (MEA) and hop extract agent (HEA) with or without sucrose fatty acid ester (SE) and stored in an MA package...
Effects of Hop Water Extracts on Hemagglutination Reaction of Influenza A Virus and Influenza A Virus-Induced Mortality in Mice
hops influenza virus hemagglutination
2010/2/3
In this study, the inhibitory effect of hop water extract (HWE) on influenza A virus infection was examined by the hemagglutination inhibition (HI) test, inhibition of virus growth in MDCK cells (in v...
Influence of Hop Resins on Freeze Injury to Escherichia coli
freeze injury freeze-thawing treatment Escherichia coli
2010/11/24
The influence of hop resins on the freeze-thawing resistance of Escherichia coli K-12 IFO3301 was investigated. When the freeze-thawing treatment of the strain was carried out in nutrient broth contai...
