Kvasny Prumysl, 2011 (vol. 57), issue 11-12
Drinkability of beers and the methods applied for its assesment.Peer-reviewed article
Pavel ČEJKA, Josef DVOŘÁK, Vladimír KELLNER, Jiří ČULÍK, Jana OLŠOVSKÁ
Kvasny Prum. 2011; 57(11-12): 406-412 | DOI: 10.18832/kp2011043 
The aim of this study is to outline a definition for beer drinkability, the influencing factors and the methods applied for its assessment. Drinkability of beer is generally understood as a beer attribute which encourages the consumers to drink more. It implies the total harmony of flavour, aroma and appearance of a drink. The consumer must be looking forward to drinking the next glass. For the evaluation of drinkability different approaches other than for sensory assessment must be applied. The issue is mainly physiological; hence an unconscious reaction of the consumer and not a conscious reaction based on his mind or habit. These could be factors...
Volatile N-nitrosamines in malt, thing of the past?Peer-reviewed article
Jiří ČULÍK, Marie JURKOVÁ, Tomáš HORÁK, Pavel ČEJKA, Josef DVOŘÁK, Jana OLŠOVSKÁ
Kvasny Prum. 2011; 57(11-12): 413-416 | DOI: 10.18832/kp2011044
In this article, new findings concerning the arrising of volatile N-nitrosamines in malt are summarized. There are published results of longstanding monitoring of these cancerogenic compounds present at malts of pilsner type and special malts.In this article, new findings concerning the arrising of volatile N-nitrosamines in malt are summarized. There are published results of longstanding monitoring of these cancerogenic compounds present at malts of pilsner type and special malts.
Content of elementary copper in hops after repeated applications of copper fungicides.Peer-reviewed article
Karel KROFTA, Josef JEŽEK, Tomáš KUDRNA
Kvasny Prum. 2011; 57(11-12): 417-423 | DOI: 10.18832/kp2011045
Contents of copper in hop cones are up to 500 mg/kg if total amount of applied cop per does not exceed amount the of 15 kg/ha of a hop garden. Contents of copper on leaves are 2-5 times higher at the same application dose. Application of 5 kg copper per one hectare of vi gorous growth of Agnus variety increases content of copper on hop leaves by 1000 mg/kg at least. The same amout of copper increases its content in hop cones by 300 mg/kg at the ripening period. Tight correlation between the amount of copper applied and its content in hops does not exist. Elementary copper from leaves is brought into harvested hops in the form of biological admixtures....
Barley varieties registered in the Slovak Republic in 2011.Peer-reviewed article
Vratislav PSOTA, Lenka SACHAMBULA, Marián SVORAD
Kvasny Prum. 2011; 57(11-12): 424-428 | DOI: 10.18832/kp2011046
During 2008-2010 spring barley malting varieties Sunshine, Streif, Posada, Gladys, and Conchita and the winter barley variety Wintmalt were assessed in the CCTIA Bratislava and RIBM Brno. The results suggest that all the varieties studied approached in their malting quality to the standard varieties Nitran and Xanadu. Generally, the studied varieties had good extract content but only the variety Gladys exceeded the standard variety Xanadu and achieved the average value of extract content of 84 %. The varieties had good to optimal level of amylolytic and cytolytic modification and a high level of proteolytic modification. Apparent final attenuation...
Corrosion degradation of metal materials in the fermentation industry environment.Peer-reviewed article
Jiří VOTAVA
Kvasny Prum. 2011; 57(11-12): 429-433 | DOI: 10.18832/kp2011047
A vast majority of machine works is made of steel materials and a fermentation industry does not seem to be an exemption. As there are plants with a high humidity and a heterogenic temperature in the fermentation industry, a large degradation due to the corrosion occurs. It is a gradual process, which in its graduation might cause a shutdown of the whole production line. The aim of this contribution was to make recommendations of an appropriate corrosion protection applicable in the fermentation (brewery) industry, based on the results of tests of two anticorrosion systems. In the laboratory simulating normal service conditions, there was tested a...
Selected aspects of a financial analysis of the companies Plzeňský Prazdroj, Pivovary Staropramen and Rodinný pivovar Bernard - part II: Results.Peer-reviewed article
Tomáš MAIER
Kvasny Prum. 2011; 57(11-12): 434-439 | DOI: 10.18832/kp2011048
This article sets itself the goal of analysing selected financial aspects of three breweries on the Czech market - the two largest and one smaller brewery. 11 commonly used financial analysis ratios plus two supplementary ones were used to do so, these being the IN 01 bankruptcy model and the profitability ratio, which provides information on the financial profitability per unit of production in kind for the main product. The base data was taken from official statements of the breweries, statistical data from the Czech Beer and Malt Association and Canadean statistics. The results are analysed in the conclusion.This article sets itself the goal of...
Quality of spring barley grain from the testing localities in the Czech Republic, harvest 2010 (Short communication).Peer-reviewed article
Lenka SACHAMBULA, Vratislav PSOTA, Olga DVOŘÁČKOVÁ
Kvasny Prum. 2011; 57(11-12): 440-444 | DOI: 10.18832/kp2011049
Samples of three spring barley varieties from 21 testing localities were analyzed according to the standard ČSN 461100-5. Content of nitrogenous substances (10.3 %-11.5 %) and starch (63.8 %-64.3 %) in spring barley caryopses was favorable. The occurrence of sprouted grains was higher but the total amount of the damaged grains was lower. Grain harvested in 2010 was bigger and of equal size. Sieving fractions over 2.5 mm varied around 91.2 %. In terms of barley grain quality, year 2010 was favorable. The occurrence of admixtures was adequate and was formed mainly by the admixtures partly usable for malting (grains without hulls, grains with black tip...