Results 51 to 60 of about 884,551 (187)
Acid sensing by sweet and bitter taste neurons in Drosophila melanogaster [PDF]
Drosophila melanogaster can taste various compounds and separate them into few basic categories such as sweet, bitter and salt taste. Here we investigate mechanisms underlying acid detection in Drosophila and report that the fly displays strong taste aversion to common carboxylic acids.
Charlu, Sandhya +3 more
openaire +2 more sources
Inhibitory effect of hop fractions against Gram-positive multi-resistant bacteria. A pilot study
Aim: Our research focused on the antimicrobial effects of purified hop (Humulus lupulus L.) fractions including α-bitter acids (humulones), β-bitter acids (lupulones) and xanthohumol, and a commercial CO2 hop extract of bitter acids against reference and
Katerina Bogdanova +7 more
doaj +1 more source
Czech bitter varieties were evaluated between 2010 and 2022. Hop varieties displayed an average content of alpha acids between 10.24% w/w (Agnus) and 13.73% w/w (Gaia).
Vladimír Nesvadba +5 more
doaj +1 more source
Evaluation of α- and β-Bitter Acids Content in Harvest of Czech Hops in 2017
This article presents the results of the harvest forecast of the α- and β-acid content of the Czech hop varieties in the 2017 harvest (194 samples in total). Hops were analyzed using EBC 7.7 (HPLC) method.
Alexandr Mikyška, Marie Jurková
doaj +1 more source
Agronomic and chemical evaluation of hop cultivars grown under Mediterranean conditions
Aim of study: Evaluation of the agronomic performance and chemical profile of four hop cultivars grown under Mediterranean conditions. Area of study: The study was undertaken in Bragança, north-eastern Portugal.
Sandra Afonso +2 more
doaj +1 more source
High-performance liquid chromatography of beer bitter acids
The high-performance liquid chromatography of the six beer bitter iso-α-acids on different modified silica gel stationary phases is described. Octadecyl-, nitrophenyl- and cyanopropyl-substituted and buffered silica gels were studied with a variety of ...
M. Verzele +3 more
core +1 more source
Metabolomics analysis reveals the bitter active ingredients in Lonicera caerulea L.
IntroductionBlue honeysuckle (Lonicera caerulea L.) is a nutritionally valuable cold-climate berry characterized by a considerable bitter taste. While bitter compounds in plant foods are often associated with favorable physiological activities, their ...
Ling Zhu +17 more
doaj +1 more source
Use of biologically active substances in hops
In four-year experiments, hop was treated with 7 biologically active substances in two terms during vegetation: Lignohumate max (a mixture of humic acids and fulvic acids), Lexin (a mixture of humic acids and fulvic acids enriched with auxins), Lexenzym (
Pavel PROCHÁZKA +4 more
doaj +1 more source
Volatile Air Oxidation Products of Hop Bitter Acids
Air oxidation of hop bitter acids produces complex mixtures of volatile products, containing appreciable amounts of 2-methyl-3-buten-2-ol (10 of table 1) and the lactone 5,5-dimethyl-(5H)-2-furanone (37 of table 1).
M. Verzele +3 more
core +1 more source
Agnus - First Czech High-Alpha Hop Variety.
In the year 2001, the variety Agnus was registered in the Czech Republic as the first Czech high-alpha variety of hop. It contains approximately 30 % b.w. in dry matter of total resins and 11 to 15 % b.w. of α-bitter acids.
K. KROFTA +3 more
doaj +1 more source

