Eighteen quality wines from Tokaj (Hungary) and 15 quality wines with “Prädikat” made of
botrytized grapes from Germany were analyzed for their resveratrol and total polyphenol …

The complexation behavior of malvidin with ellagic and caffeic acid and ferrous and ferric
ions was studied in model wine solutions by means of experimental photoluminescence …

Caffeic and p-coumaric acid were added as copigments to'Cabernet Sauvignon'and'Pinot
noir'grapes after crushing. The respective wines were analyzed on the influence of these …

Polyphenols and antioxidative capacity in Hungarian Tokaj wines. 20 wines from Tokaj (Hungary)
were analysed for their polyphenolic composition, total polyphenol content and …

Colour is a major quality component in red wines. In cool climate regions, such as New
Zealand, colour problems occur due to a lack of anthocyanins and other phenolic compounds …

'Riesling'and'Sauvignon blanc'grapevine flowers were treated at full bloom with 20ppm
aqueous gibberellic acid (GA3) solution. The resulting wines were analysed on 2-…

A reliable and simple method was developed for the completely automatised analysis of apple
juice aroma compounds. In total 26 flavour compounds could be measured by headspace …

… From the MS/MS results we can assert that this compound is a product derived from oxidation,
where the double bond at the centre of the resveratrol molecule, changes into a triple bond…

Several fining trials with commonly used fining agents have been published before, but
generally referring to quantities of fining agents suggested by the manufacturer. Usually, protein …

Background and Aims The parameters commonly examined upon receival of grapes at
wineries are insufficient for comprehensive quality assessment. Grape quality is mainly …