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Introducing Aravelle – a new white wine grape that was 42 years in the making.
Kinetic analysis of anthocyanin degradation and polymeric colour formation in grape juice during heating
red grape monomeric anthocyanins thermal processing reaction kinetics antioxidant activity
2015/3/30
The degradation of total monomeric anthocyanins and changes in the proportion of polymeric colour (% PC) as well as antioxidant capacity of grape juice were studied during heating at 70–90°C. Anthocya...
Wine Grape Production
Wine Grape Production
2013/6/28
Grapes are produced in many areas throughout the Commonwealth and lend themselves well to small-scale and part-time farming operations. Due to the nature of grape production, considerable production c...
Influence of various rootstocks on the yield and grape composition of Sauvignon Blanc
grapevine yield parameter grape juice quality
2014/2/25
This influence of various rootstocks on the yield and grape composition of Sauvignon Blanc was examined. The yield on rootstock 41B/72 was 1 kg/vine or more higher than on rootstocks SO4 cl. 31, Ripar...
Physical methods of resveratrol induction in grapes and grape products – a review
trans-resveratrol methods of enchrichements UV irradiation ozonisation
2014/2/25
rans-resveratrol ((E)-3,4',5-trihydroxystilbene) is a substance that is produced by a large number of plants as a phytoalexin and has a wide range of beneficial biological properties. Resveratrol has ...
Effect of moisture content on thermodynamic characteristics of grape: mathematical and artificial neural network modelling
sorption thermodynamic drying, neural network grape
2014/2/25
Artificial neural networks (ANNs) and four empirical mathematical models, namely Henderson, GAB, Halsey, and Oswin were used for the estimation of equilibrium moisture content (EMC) of the dried grape...
Yeast assimilable nitrogen in South Moravian grape musts and its effect on acetic acid production during fermentation
stuck fermentation sluggish fermentation Vitis vinifela L. must yeast
2014/2/25
We observed the content of yeast assimilable nitrogen in grape musts, its consumption by yeasts during fermentation, and acetic acid production. The experiments were performed in the years 2007 and 20...
Biocontrol of Grey Mould Disease on Grape Caused by Botrytis cinerea with Autochthonous Wine Yeasts
biocontrol agents Botrytis cinerea grey mould antagonism grapes wine yeasts
2010/12/21
Biocontrol activities of different yeast species and strains isolated from grape/must/
wine environments have been compared to those of commercially available antagonistic
yeast species of Candida o...
Stabilizing Effect of Grape Seed Extract on Ascorbic Acid
grape proanthocyanidin ascorbic acid
2009/6/18
L-Ascorbic acid (AsA) has numerous biological activities. It is known that AsA is unstable under neutral and alkaline conditions, degrading almost completely within several hours, whereas it is relati...
Enin Isolated from Skin of Red Grape（Vitris vinifera）Induces Apoptosis in Human Lymphoid Leukemia Molt 4B Cells
enin growth inhibition apoptosis
2009/6/18
We have investigated the effect of extract prepared from skin of red grape (Vitris vinifera) on the growth of human lymphoid leukemia Molt 4B cells. It was found that the extract obtained by extractio...
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...
Influence of Quinoxyfen Residues on Saccharomyces cerevisiae Fermentation of Grape Musts
Quinoxyfen pesticide residues fermentation
2009/3/18
The effect of Quinoxyfen, a new pesticide against powdery mildew, on the fermentation of Saccharomyces cerevisiae has been evaluated. When vines (Montepulciano d’Abruzzo, Trebbiano and Sangiovese) wer...
Study of Dynamics of Polyphenol Extraction During Traditional and Advanced Maceration Processes of the Babic Grape Variety
Babic wine maceration polyphenols spectrophotometric analysis
2009/3/16
The influence of different maceration techniques on the dynamics of polyphenol extraction during the maceration of the autochthonous Croatian grape Babic has been investigated. The process of wine pro...
Potential of Yeasts Isolated in Botrytized Grape Juice to be New Wine Yeasts
wine yeast fermentation botrytized grape
2010/2/3
Strains of wine yeast are differentiated based on their ability to ferment grape juice. To advance enology and food technology, many efforts have been invested in the detection and breeding of yeast w...
An Investigation on Factors Affecting Recovery of Antioxidant Phenolics and Anthocyanins from Red Grape (Vitis vinifera L.) Pomace Employing Water/Ethanol-Based Solutions
Pomace Employing Water/Ethanol-Based Solutions
2008/11/27
Extractions were performed using non-toxic media composed of water/ethanol mixtures and hydrochloric, acetic or tartaric acid. Recovery efficiency was assessed by monitoring the antiradical activity (...