11 articles in this issue
P. Winterhagen,G. Brendel,G. Krczal,G.M. Reustle
Grapevine fanleaf virus (GFLV) is a nepovirus that is transmitted to grapevines by the ectoparasitic nematodeXiphinema index. GFLV causes severe losses in yield and quality in viticulture worldwide. Presently, laborious andtime-consuming field trials or g... see more
A. Versari Versari,G.P. Parpinello,A.U. Mattioli
The composition of the colour components of commercial red wines from Italy was analysed in terms of total colour,co-pigmentation, SO2-resistant pigments, small and large polymeric pigments, and tannins. A total of 128 wines,including Sangiovese, Cabernet... see more
D.M. Blackhurst,K.H. Wolmarans,A.D Marais
Epidemiological evidence suggests cardiovascular benefits from the consumption of alcoholic beverages, butcorroboration by functional and outcome studies is still outstanding. Non-invasive functional tests on the brachialarteries of healthy volunteers wer... see more
A.W. Linsenmeier,O. Löhnertz
C13-norisoprenoids were measured in Riesling wines produced from the 1996, 1997 and 2003 vintages within thescope of a long-term nitrogen (N) fertilisation experiment. The wines were made from treatments of 0, 60 and 150kg N/ha; each treatment was repeate... see more
X.L. Melamane,P.J. Strong,J.E. Burgess
This review summarises research efforts and case studies in the treatment of wine distillery wastewaters.Experiences in treating wine distillery wastewaters can contribute to the field of oenology, as many oenologists areconcerned with the selection, effi... see more
E.P.G. Mansvelt,E. Fourie,D. Blackhurst,T. Kotze,H. Stofberg,S. van der Merwe,M.J. Kotze,D.P. van Velden
This 8 week study examined whether a Mediterranean diet supplemented with red wine, had an acute impact onsubjects diagnosed with the metabolic syndrome. Twelve non-smoking subjects with diagnostic criteria of themetabolic syndrome on minimal medication, ... see more
D.P. van Velden,S. van der Merwe,E. Fourie,M. Kidd,D.M. Blackhurst,M.J. Kotze,E.P.G. Mansvelt
The metabolic syndrome is a target for the dietary prevention of cardiovascular disease. The effect of adding redwine to the diet has not been fully investigated. This study examined whether a Mediterranean-type dietcomplemented with red wine and mild exe... see more
N. Musee,M.A. Trerise,L. Lorenzen
The treatment of high-strength wastewater from a distillery using grape-based feedstock was conducted throughsequencing the upflow anaerobic sludge blanket (UASB) reactor and the aerobically-activated sludge reactors. Theperformance of the UASB system was... see more
W. Duvenage,P.A. Gouws,R.C. Witthuhn
The contamination of pasteurised fruit juice products by thermophilic acidophilic bacteria (TAB) has become aconcern for producers. The aim of this study was to identify the bacteria present in South African fruit juices beforeand after pasteurisation, us... see more
J.C. Fourie,G.A. Agenbag,P.J.E. Louw
The trial was conducted over a period of 10 years (1993/94 to 2002/03) on a medium-textured soil in aChardonnay/99 Richter vineyard near Stellenbosch (33°55’S, 18°52’E), which is situated in the Coastal wine graperegion of the Western Cape, South Africa. ... see more
M. Keyser,T.J. Britz,R.C. Witthuhn
The effective operation of the anaerobic digestion process in an upflow anaerobic sludge blanket (UASB) bioreactoris dependent on the microbial composition of the UASB granules. The granules contain a consortium of bacteria,with a specific metabolic funct... see more