16 articles in this issue
J. Dobrowolska-Iwanek,M. Gastol,A. Wanat,M. Krosniak,M. Jancik,P. Zagrodzki
A number of new vinery production regions, especially in the southern parts of Poland, have appearedin the last ten-odd years. This study was aimed at completing the chemical characterisation of wineproduced from ten Polish grape cultivars planted near Kr... see more
A. Conradie,G.O. Sigge,T.E. Cloete
The winemaking industry produces large volumes of wastewater that pose an environmental threat ifnot treated correctly. The increasing numbers of wineries and the demand for wine around the worldare adding to the growing problem. The vinification process ... see more
F. Torchio,S. Giacosa,S. Río Segade,V. Gerbi,L. Rolle
Seed mechanical properties were instrumentally measured by compression testing in thirty white andred wine grape varieties at harvest. The effect of berry heterogeneity in a vineyard on these seed textureparameters was also evaluated to improve the unders... see more
T. Prajongjai,O. Poolsawat,P. Pornbungkerd,S. Wongkaew,P.A. Tantasawat
Downy mildew of grapevine (Vitis vinifera L.), caused by the oomycete Plasmopara viticola, can seriouslydevastate grapevine production in tropical countries, such as Thailand. Four susceptible grapevinecultivars, four potentially resistant lines and 18 F1... see more
Q. Li,Y.-X. Liu,Q.-H. Pan,C.-Q. Duan,Y. Shi
Proanthocyanidins in grape berries are synthesised mainly before véraison, and very little attention ispaid to the evolution of proanthocyanidins (PAs) in grapes from véraison to harvest. The present studyfocused on the changes of flavan-3-ols with differ... see more
J. Wooldridge,M.P. Olivier
In a trial under semi-controlled conditions, Merlot grapevines on 101-14Mgt and 110 Richter (110R)rootstocks were grown in virgin soils developed in highly weathered parent materials derived mainly fromgranite and metasediment (shale). Each soil was irrig... see more
L. Mu,J.-J. He,Q.-H. Pan,F. He,C.-Q. Duan
The products and the related gene expression of flavonoid metabolism were examined in the skin and pulpof Yan73 (Vitis vinifera L. cv.) grapes, a teinturier variety cultivated in China, and the data were comparedwith those in the skin and pulp of Cabernet... see more
J.C. Fourie
Four treatments in which fynbos and renosterveld species were employed as cover crops, and two treatmentsin which exotic species were used as cover crops, were applied. A treatment in which indigenous annualsand an exotic annual was sown as a mixture, and... see more
B. Köse
Heavy rainfall in Turkey’s northern Black Sea Region in spring and autumn, combined with insufficientsunshine during the vegetation period, results in poor ripening of European grape (Vitis vinifera L.)cultivars. Compared to other coastal provinces in the... see more
M. Ferrer,G. Echeverría,A. Carbonneau
The influence of berry size on wine quality is a matter of debate. With the aim to contribute to that debate,a study of the influence of the varieties Tannat, Merlot and Cabernet Sauvignon on berry weight, onberry components (flesh, seeds and skin) and on... see more
A. Zinnai,F. Venturi,C. Sanmartin,M.F. Quartacci,G. Andrich
In the cellar, slow and stuck fermentations occurring during winemaking are often successfully solved bythe addition of yeast strains like Saccharomyces bayanus. The kinetic behaviour shown by S. bayanus duringalcoholic fermentation was investigated using... see more
N. Kontogeorgos,I.G. Roussis
Total free sulphydryl groups were assessed in several white and red wines. Ellman’s method was adaptedto wine samples for the determination of total –SH groups. Total –SH groups of white wines, as glutathione,were in the range of 315 to 734 and of red win... see more
A. Del Caro,P. Piombino,A. Genovese,L. Moio,C. Fanara,A. Piga
The effect of bottle storage on the colour, phenolics and volatile composition of Malvasia and Muscat winesobtained from grapes grown in Sardinia was evaluated. Colour was evaluated by UV-VIS spectrophotometryand by tristimulus colorimetry. Polyphenols we... see more
R. Pajovic,D. Raicevic,T. Popovic,P. Sivilotti,K. Lisjak,A. Vanzo
In Montenegro, red wines are produced predominantly, and Vranac accounts for nearly 80% of thesewines, followed by Kratosija and Cabernet Sauvignon. In order to characterise polyphenols in red varieties,grapes were sampled from representative vineyards at... see more
G. de Lorenzis,S. Imazio,L. Brancadoro,O. Failla,A. Scienza
Ribolla gialla is an autochthonous grape variety cultivated in Friuli Venezia Giulia (Italy) and in Slovenia,and probably originated in Eastern Central Europe. Just like Ribolla gialla, the Gouais blanc and Schiavacultivars also appear to have originated ... see more
H.J. Hugo,C. Mouton,A.P. Malan
Accelerated microbial degradation (AMD) of organophosphate and carbamate nematicides is aphenomenon whereby biodegradation in the soil is increased, leading to a dramatically shortenedpersistence of nematicides. More intensified agriculture practices in S... see more