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Tehnološka zrelost vinskega grozdja za pridelavo penin
ID Sirk, Polona (Author), ID Rusjan, Denis (Mentor) More about this mentor... This link opens in a new window

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PID: 20.500.12556/rul/eaa4c77d-269c-45af-8d38-4f32a992aa29

Abstract
Za pridelavo penin je ključnega pomena tehnološka zrelost grozdja. Priporoča se, da mošt vsebuje 10-12 g/l skupnih kislin, 75-85 °Oe sladkorjev in pH nižji od 3,2. Stalne kontrole in meritve grozdnega soka v vinogradu so pomembne predvsem zato, da se doseže želena vsebnost naštetih parametrov v grozdju. Vsebnost kislin v vinu mora biti zadostna, saj le-te vplivajo na senzoriko, izboljšujejo aromatiko vina, pomembne pa so tudi pri stabilizaciji vina. Nižji pH pa ugodno vpliva na prisotnost nezaželenih organizmov, saj onemogoča rast le-teh. Začetek pridelave penečih vin sega v 17. stoletje, ko naj bi menih Dom Pérignon prvič pridelal šampanjec. Od takrat pa do danes se je pridelava penin počasi, a vztrajno razširila po vsem svetu. Penino lahko pridelamo po klasični, charmat ali transverzni metodi. Slednja se najmanj uporablja. Klasično in charmat metodo ločimo le po mestu poteka sekundarne fermentacije. Pri klasični metodi poteka fermentacija v steklenicah, pri charmat metodi pa v visokotlačnih tankih. Vinar se sam odloči, kateri način pridelave bo uporabil za pridelavo lastnih penin. V diplomskem delu bodo predstavljeni ključni parametri v grozdju, ki so pomembni za pridelavo penin. Ti so odvisni od dejavnikov okolja, od katerih so najbolj pomembni vreme in tip tal, in od ampelotehničnih del vinogradnika. Osredotočili se bomo predvsem na vplive, ki jih bodo povzročile klimatske spremembe v prihodnosti, in na načine prilagoditve vinogradnika in vinarja na nadaljnjo pridelavo tovrsnih vin. Prikazana bo tehnološka zrelost, ki se jo v bodoče pričakuje, in vpliv le-te na kakovost in pridelavo penin.

Language:Slovenian
Keywords:vinogradništvo, vinska trta, vino, penine, tehnološka zrelost
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:BF - Biotechnical Faculty
Publisher:[P. Sirk]
Year:2017
PID:20.500.12556/RUL-95715 This link opens in a new window
UDC:634.8:663.223(043.2)
COBISS.SI-ID:8783225 This link opens in a new window
Publication date in RUL:21.09.2017
Views:4071
Downloads:532
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Secondary language

Language:English
Title:The technological grape maturity for sparkling wine production
Abstract:
The grapes' ripeness is crucial in the production of sparkling wine. It is recommended that the must contains 10-12 g/L of total acids, 75-85 °Oe of sugars and a pH lower than 3.2. Continuous monitoring and measurements of grape juice in the vineyard are important to ensure the desired parametres of the grapes. The amount of acid in wine must be sufficient, as they influence the sensory, improve the aromatics of wine, and they are important for the stabilisation of wine. A lower pH is also beneficial, as it inhibits the growth of unwanted organisms. The beginning of sparkling wine production dates to the 17th century, when the monk Dom Pérignon allegedly first made Champagne. Today, production of sparkling wines takes place all over the world. Sparkling wine can be produced by the traditional, Charmat or transfer method. The latter is the least used. The traditional and Charmat method differ in the site of the secondary fermentation. In the traditional method, fermentation takes place in bottles, while in the Charmat method, it takes place in sealed pressure tanks. The winemaker decides which method to use to produce sparkling wine. The thesis will present key parametres of grapes, which are significant in sparkling wine production. They depend on environmental factors, of which the most significant are weather and soil type, and ampelotechnical methods used by the viticulturist. We will focus on possible impacts of climate change in the future, and possible adaptations by viticulturists and winemakers to be used in sparkling wine production. We will show technological maturity that will be expected in the future, and how it will influence the quality and production of sparkling wine.

Keywords:viticulture, grapevine, wine, sparkling wine, the technological grape maturity

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