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Sulfur substances of hop oils and identification of hop varieties – advantages and limitations

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F14864347%3A_____%2F21%3AN0000002" target="_blank" >RIV/14864347:_____/21:N0000002 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.brewingscience.de/index.php?tpl=table_of_contents&year=2021&edition=0003%2F0004&article=92816" target="_blank" >https://www.brewingscience.de/index.php?tpl=table_of_contents&year=2021&edition=0003%2F0004&article=92816</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.23763/BrSc20-24krofta" target="_blank" >10.23763/BrSc20-24krofta</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Sulfur substances of hop oils and identification of hop varieties – advantages and limitations

  • Original language description

    Sulfur compounds of hop oils are important components of hop oils although their share is relatively very small, approximately 1 %. A collection of 30 sulfur-containing volatiles was detected by gas chromatographic analysis of hop oils which were isolated from the hops by steam distillation. Thioesters S-methylthiohexanoate, S-methylthio-isovalerate, S-methylthio-butyrate have been identified as the dominant components. It was found out that the composition of sulfur compounds of hop oils, examined on a set of 14 Czech hop cultivars, is varietally characteristic. Statistical evaluation using multivariate statistical methods has shown that the spectrum of sulfur substances can be used to determine the variety authenticity for only a few cultivars (Boomerang, Kazbek, Gaia, Vital). For other varieties it is not sufficient to distinguish them reliably. The analysis of sulfur compounds of hop oils must therefore be considered as an auxiliary chemotaxonomic tool. To determine the identity of the variety with greater reliability, it is necessary to use other chemotaxonomic tools (terpenic and oxygenated substances of hop essential oils, bitter substances, prenylfavononoids and polyphenols). Genetic methods are also an important approach at determining and identifying the purity of hop varieties.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    40106 - Agronomy, plant breeding and plant protection; (Agricultural biotechnology to be 4.4)

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2021

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    BrewingScience

  • ISSN

    1866-5195

  • e-ISSN

    1613-2041

  • Volume of the periodical

    74

  • Issue of the periodical within the volume

    March/April

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    8

  • Pages from-to

    63-70

  • UT code for WoS article

    000646042900003

  • EID of the result in the Scopus database