Results 11 to 20 of about 3,254,081 (256)

The Dynamic Of Essential Oil Accumulation In Hop Cones During 2012 Year

Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca: Food Science and Technology, 2013
Hop cones have lupulin glands which occur on the outer lower surface of the bracteoles and the entire surface of the perianth. The constituents of these glands include bitter acids and essential oil components (Auerbach et.al., 2000).
Liana-Claudia Salanta, Maria Tofana, Sonia Socaci, Elena Mudura, Anca Farcas   +4 more
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Anti-Coccal Activity and Composition of the Essential Oils and Methanolic Extracts Obtained from Brewing Quality Humulus lupulus L. Hop Pellets

Pharmaceuticals, 2023
This study examined the chemical composition and anti-coccal properties of essential oils and methanolic extracts of six different Humulus lupulus L. varieties from Poland: Iunga, Marynka, Sybilla, Magnum, Tradition and Chinook. The activity of an α-acid-
Bartłomiej Piasecki, Anna Biernasiuk, Agnieszka Ludwiczuk   +2 more
doaj   +2 more sources

Hop (Humulus lupulus L.) Essential Oils and Xanthohumol Derived from Extraction Process Using Solvents of Different Polarity

Horticulturae, 2022
This study evaluates the content of essential oils (EOs) and prenylated flavonoid Xanthohumol (XN) in extracts of Slovenian hops, cultivar Aurora, obtained by using fluids of different polarity.
Katja Bizaj, Mojca Škerget, Iztok Jože Košir, Željko Knez   +3 more
doaj   +1 more source

Assessment of the Suitability of Aromatic and High-Bitter Hop Varieties (Humulus lupulus L.) for Beer Production in the Conditions of the Małopolska Vistula Gorge Region

Fermentation, 2021
The aim of the study was to assess the yield of cones and the quality of six hop varieties (“Iunga”, “Lubelski”, “Sybilla”, “Magnum”, “Lomik”, “Marynka”) in terms of their suitability for beer production, under the conditions of the Małopolska Vistula ...
Barbara Sawicka, Mateusz Śpiewak, Anna Kiełtyka-Dadasiewicz, Dominika Skiba, Bernadetta Bienia, Barbara Krochmal-Marczak, Piotr Pszczółkowski   +6 more
doaj   +1 more source

Brewing tests of new fine aroma hop varieties (Humulus lupulus L.) Saaz Brilliant, Saaz Comfort and Saaz Shine

Kvasný průmysl, 2021
Characterization of varietal profiles of hop secondary metabolites in beer is of considerable importance for hop growing and brewing. This three-year study focused on pilot brewing tests of three new Saaz derived hop varieties, namely Saaz Brilliant ...
Alexandr Mikyška, Karel Štěrba, Martin Slabý, Vladimír Nesvadba, Jitka Charvátová   +4 more
doaj   +1 more source

Determination of essential oils in hops and beer by GC-MS method [PDF]

, 2023
The submitted master's thesis aims to the analysis of hop essential oils using gas chromatography separation and subsequent determination using a pair of mass and flame ionization detectors.
Přikryl, Jaroslav
core   +1 more source

Characterization of Wild Corsican Hops and Assessment of the Performances of German Hops in Corsican Environmental Conditions through a Multidisciplinary Approach

Applied Sciences, 2021
Hops (Humulus lupulus L.) is a species that grows spontaneously in Corsica, but the characterization of this species in this territory has not yet been investigated.
Axel Dabbous-Wach, Margherita Rodolfi, Julien Paolini, Jean Costa, Tommaso Ganino   +4 more
doaj   +1 more source

The Influence of Hop Latent Viroid (HLVd) Infection on Gene Expression and Secondary Metabolite Contents in Hop (Humulus lupulus L.) Glandular Trichomes

Plants, 2021
Viroids are small infectious pathogens, composed of a short single-stranded circular RNA. Hop (Humulus lupulus L.) plants are hosts to four viroids from the family Pospiviroidae.
Josef Patzak, Alena Henychová, Karel Krofta, Petr Svoboda, Ivana Malířová   +4 more
doaj   +1 more source

Industrial Multiple-Effect Fractional Condensation under Vacuum for the Recovery of Hop Terpene Fractions in Water

Foods, 2023
The inflorescences of Humulus lupulus L. are the most valuable ingredient in the brewing industry. Only female cones are used as their bitterness and aroma, much associated with beer, are granted by the production of resins and essential oils ...
Lorenzo Lamberti, Luisa Boffa, Giorgio Grillo, Stefano Concari, Francesca Cavani, Giancarlo Cravotto   +5 more
doaj   +1 more source

Eucalyptus oleosa Essential Oils: Chemical Composition and Antimicrobial and Antioxidant Activities of the Oils from Different Plant Parts (Stems, Leaves, Flowers and Fruits) [PDF]

, 2011
Essential oils obtained by hydrodistillation from the different parts (stems, adult leaves, immature flowers and fruits) of Eucalyptus oleosa were screened for their antioxidant and antimicrobial properties and their chemical composition. According to GC-
Abderrabba, Manef, Mathieu, Florence, Ben Marzoug, Hajer Naceur, Bouajila, Jalloul, Manef Abderraba, Mehrez Romdhane, Lebrihi, Ahmed, Hajer Naceur Ben Marzoug, Jalloul Bouajila, Florence Mathieu, Mohamed Larbi Khouja, Romdhane, Mehrez, Khouja, Mohamed Larbi, François Couderc, Couderc, François, Ahmed Lebrihi   +15 more
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