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Title:Vpliv intenzivnosti stiskanja grozdja na kakovost grozdnega soka : diplomsko delo
Authors:ID Pulko, Jakob (Author)
ID Valdhuber, Janez (Mentor) More about this mentor... New window
Files:.pdf VS_Pulko_Jakob_2023.pdf (1,50 MB)
MD5: 5106F8976F0357E8CAAB81B87FBFD7C9
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FKBV - Faculty of Agriculture and Life Sciences
Abstract:V letu 2022 smo preučevali vpliv intenzivnosti stiskanju grozdja na nekatere parametre grozdnega soka pri sortah Rumeni muškat in Johanniter. V poskusu smo primerjali vzorce grozdnega soka, ki smo jih odvzeli pri štirih različnih območjih tlaka stiskanja ter skupni vzorec celotnega stiskanja (kontrola). Vzorčili smo pri tlaku 0 barov (samotok), nizek tlak od 0 do 0,3 bara, srednji tlak od 0,3 do 0,7 bara, visoki tlak od 0,7 do 1,7 bara in celotno količino grozdnega soka zbrano v cisterni (kontrola). Uporabili smo stiskalnico Šraml VP 26. Pri sorti Johanniter smo analizirali šest različnih parametrov, pri sorti Rumeni muškat pa sedem. Pri večini proučevanih parametrov nismo ugotovili statistično značilnih razlik med obravnavanji. Pri obeh sortah smo ugotovili statistično značilne razlike med obravnavanji v vsebnosti skupnih kislin in pH vrednosti (p ≤ 0,05).
Keywords:grozdje, stiskanje grozdja, tlak stiskanja, kakovost grozdnega soka
Place of publishing:Maribor
Place of performance:Maribor
Publisher:J. Pulko
Year of publishing:2023
Number of pages:1 spletni vir (1 datoteka PDF (VIII, 26 str., [1] str. pril.))
PID:20.500.12556/DKUM-85435 New window
UDC:634.836:663.252.2(043.2)=163.6
COBISS.SI-ID:167961091 New window
Publication date in DKUM:11.10.2023
Views:672
Downloads:90
Metadata:XML DC-XML DC-RDF
Categories:FKBV
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:29.08.2023

Secondary language

Language:English
Title:Impact of grape pressing intensity on grape juice quality d
Abstract:In 2022, we studied the influence of grape pressing intensity on some parameters of grape juice in the Gelber Muscateller and Johanniter varieties. In the experiment, we compared samples of grape juice that were taken from four different pressing pressure ranges and a common sample of the entire pressing (control). We sampled at a pressure of 0 bar (self-flow), low pressure from 0 to 0.3 bar, medium pressure from 0.3 to 0.7 bar, high pressure from 0.7 to 1.7 bar and the entire amount of grape juice collected in tanks (control). We used the Šraml VP 26 press. We analyzed six different parameters for the Johanniter variety, and seven parameters for the Gelber Muscateller variety. For most of the studied parameters, we did not find statistically significant differences between the treatments. In both varieties, we found statistically significant differences between treatments in the content of total acids and pH values (p ≤ 0.05).
Keywords:grape, grape press, compression pressure, quality of grape juice


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