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Introducing Aravelle – a new white wine grape that was 42 years in the making.
Influence of Thermal Treatment on Polyphenol Extraction of Wine cv. André
temperature wine grape colour
2015/3/4
The extraction of polyphenols and colour parameter development of the grape variety André processed by thermal
maceration techniques were examited.
Chemical markers in the aroma profiles of South Moravian red wine distillates
terpenoids compositional data principal component analysis centred log-ratio transformation gas chromatography/mass spectrometry solid-phase microextraction
2014/2/25
HSSPME-GC/MS method was used to investigate the volatile compounds responsible for varietal character in the aroma of wine distillates made from 16 different red wine grape cultivars: Andre, Blue Fran...
Preparation of mango (Mangifera indica L.) wine using a new yeast-mango-peel immobilised biocatalyst system
Saccharomyces cerevisiae immobilisation Mango peel biocatalyst sensory evaluation
2014/2/25
The preparation of mango wine by yeast-mango peel immobilised biocatalyst system by repeated batch fermentation was conducted and compared to free cells fermentation at 15, 20, 25, and 30°C. The opera...
Comparison of two clean up techniques in isolation of ochratoxin A from red wine
ochratoxin A solid phase extraction immunoaffinity column carbon adsorbents
2014/2/27
Two procedures for the extraction of ochratoxin A (OTA) from red wine – the reference clean up procedure using specific immunoaffinity column (IAC), and solid phase extraction (SPE) in which an active...
Characterization of Major Stable Proteins in Chardonnay Wine
wine protein grape hydrolysis
2009/5/31
Chardonnay wine produced in the conventional manner contained 69.8 to 108mg/L soluble proteins including nondialyzable polypeptides ; with an average of 87.2mg/L. Proteins were separated by precipitat...
Analyses of Aroma Components of Chardonnay Wine Fermented by Different Yeast Strains
different yeast strains Saccharomyces cerevisiae chardonnay
2009/3/20
The aim of this work was to evaluate the influence of selected wine yeasts on the quality of primary and secondary wine aromas using chemical and sensorial evaluation. Twenty-nine selected yeast strai...
Identification of Wine Yeasts by PCR-RFLP without Previous Isolation on Plate
wine yeasts identification PCR-RFLP
2009/3/20
The population of wine yeasts during spontaneous must fermentation was characterized by direct 5.8S-ITS rDNA region amplification without previous plate isolation or enrichment. RFLP analysis was appl...
Comparison of Wine Aroma Compounds Produced by Saccharomyces paradoxus and Saccharomyces cerevisiae Strains
Saccharomyces paradoxus wine volatile compounds sensory characteristics
2009/3/20
The aim of this study is to determine specific enological characteristics of Saccharomyces paradoxus species, potential differences in production of volatile components between Saccharomyces paradoxus...
Aroma is a phenomenon that occurrs when food and live organism mutually react during the process of consumption. Many factors influence the making of aroma of wine distillates (e.g. cognac) during the...
The Effect of DL-Malic Acid on the Metabolism of L-Malic Acid during Wine Alcoholic Fermentation
D-malic acid DL-malic acid L-malic acid
2009/3/20
Insufficient wine acidity can affect wine quality and stability. To,overcome this problem, DL-malic acid can be added to the grape juice prior to fermentation. We have investigated the effect of DL-ma...
Effect of Protectants on the Fermentation Performance of Wine Yeasts Subjected to Osmotic Stress
metabolism stress wine yeast
2009/3/19
During alcoholic fermentation of must from dried grapes, yeasts are subjected to very high sugar concentrations, besides other environmental stresses, and they modify their metabolic behaviour giving ...
Reduction in Acidity by Chemical and Microbiological Methods and Their Effect on Moslavac Wine Quality
malolactic fermentation chemical deacidification acidic compositions
2009/3/19
Changes in chemical composition and sensory properties caused by chemical and microbiological methods of deacidification in Moslavac (syn. Furmint) wines were investigated. Alcoholic fermentation of M...
Influence of Blending on the Aroma of Malvasia istriana Wine
blending Malvasia istriana volatile compounds
2009/3/19
Malvasia istriana (Vitis vinifera) is a domestic and widespread grape cultivar in the Istrian wine region that gives the characteristic white wine. Istrian region is situated in the western part of Cr...
Influence of Different Maceration Techniques and Ageing on Proanthocyanidins and Anthocyanins of Red Wine cv. Babic
anthocyanins low-molecular proanthocyanidins high-molecular proanthocyanidins
2009/3/19
Effects of winemaking techniques on the polyphenolic composition of specific Croatian wines made from Babic (Vitis vinifera, L.), from the Primosten vine-growing region, were subjected to examination....