NEWS
Journal Chmelarstvi
Czech hop varieties
National repository of grey literature
Research farm in Stekník
Research station in Tirschitz
DEPARTMENT OF CHEMISTRY

Department of Chemistry hop

The laboratory is equipped with top instrumentation for gas and liquid chromatography, UV-VIS spectroscopy and conductometry.

Department activities are focused on:

  
Analyses of hops and hop products for growers and business organizations in order, declaration of Quality for the purpose of buying and selling hops.

  
Research projects financially supported by the State (GAČR, NAZV, MPO, MŠMT) in the field of breeding, growing and processing hops, content and composition of secondary metabolites of hops and the occurrence of contaminants.

List of analyzes

  
The water content of hops and hop products
  
Biological additives
  
Conductivity value of hops (CSN, EBC 7.4, 7.7 EBC, EBC 7.6)
  
Determination of the content and composition of bitter acids (EBC 7.7)
  
The content and composition of hop oils (GC / MS)
  
The content of seeds
  
The content of nitrate liquid chromatography
  
Determination of xanthohumol in hops and desmethylxanthohumol
  
The composition of hop resins Wőllmerovou method
  
Antioxidant activity of hops (DPPH)
  
Index aging hops (ASBC)
  
Spectrophotometric determination of alpha and beta bitter acids (ASBC)
  
Determination of pesticide residues
  
The content of total polyphenols

Beer, wort:

  
Determination of bitterness units (EBC)
  
The content of xanthohumol and isoxanthohumol
  
The content of total polyphenols
  
Iso-alpha, alpha and beta bitter acids by liquid chromatography
  
pH

Contact

Head
Ing. Karel KROFTA, Ph.D.

phone: +420 415 732 118
fax: +420 415 732 150
e-mail:

  ©2012 Hop Research Institute Co., LTD
  438 01 Zatec, Kadanska 2525
Telefon: +420 415 732 111, fax: +420 415 732 150
e-mail:
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