Exclusion of sunlight from Shiraz grapes alters wine colour, tannin and sensory properties

R Ristic, MO Downey, PG Iland… - Australian Journal of …, 2007 - Wiley Online Library
The aim of this study was to determine how changes in grape composition brought about by
artificial shading (sunlight exclusion) influence wine properties including colour, flavonoid …

Development of seed polyphenols in berries from Vitis vinifera L. cv. Shiraz

…, CR Hunter, R RISTIC, PG Iland… - Australian Journal of …, 2000 - Wiley Online Library
Polyphenols extracted from the seeds of Vitis vinifera L. cv. Shiraz berries were monitored
during berry development. Initially seeds were green, plump and had pliable seed coats, but …

Relationships between seed and berry development of Vitis vinifera L. cv Shiraz: developmental changes in seed morphology and phenolic composition

R Ristic, PG Iland - Australian Journal of grape and wine …, 2005 - Wiley Online Library
Berries were collected regularly from fruit set to berry maturity from irrigated (Shiraz)
grapevines in a Barossa valley vineyard. Seeds were removed for detailed study of physical …

Characterizing the astringency of red wine: a case study

R Gawel, PG Iland, IL Francis - Food quality and preference, 2001 - Elsevier
Red table wines of quality are characterized by pleasing and complex mouth-feel sensations,
the most important of these being astringency. While a comprehensive set of terms has …

Analysis of pigmented polymers in red wine by reverse phase HPLC

Z Peng, PG Iland, A Oberholster… - Australian Journal of …, 2002 - Wiley Online Library
A reverse phase HPLC method has been developed for the quantitative analysis of pigmented
poly‐phenolic polymers in red wines. Pigmented polymers were well separated from …

Quantitative Analysis of Polymeric Procyanidins (Tannins) from Grape (Vitis vinifera) Seeds by Reverse Phase High-Performance Liquid Chromatography

Z Peng, Y Hayasaka, PG Iland, M Sefton… - Journal of Agricultural …, 2001 - ACS Publications
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Quantification of glycosides in grapes, juices, and wines through a determination of glycosyl glucose

…, W Cynkar, IL Francis, JD Gray, PG Iland… - Journal of agricultural …, 1995 - ACS Publications
An analytical assay for glycosylated secondary metabolites of grapes, juices and wines,
through quantification of glycosyl glucose (GG), has been optimized and validated. The …

Copigmentation between malvidin-3-glucoside and some wine constituents and its importance to colour expression in red wine

SG Lambert, RE Asenstorfer, NM Williamson, PG Iland… - Food Chemistry, 2011 - Elsevier
Thermodynamic parameters for intermolecular copigmentation interactions involving
malvidin-3-glucoside were determined by UV/visible spectroscopy at wine pH (pH 3.6). These …

Malate, tartrate, potassium, and sodium in flesh and skin of Shiraz grapes during ripening: concentration and compartmentation

PG Iland, BG Coombe - American Journal of Enology and …, 1988 - Am Soc Enol Viticulture
Analysis of malate, tartrate, potassium, and sodium in Shiraz grape berries during ripening
showed large and distinctive developmental differences between pericarp tissues. During …

Optimisation of methods for the determination of total and red‐free glycosyl glucose in black grape berries of Vitis vinifera

PG Iland, W Cynkar, IL Francis… - Australian Journal of …, 1996 - Wiley Online Library
… profile of an extract and its eluate was also analysed by HPLC (PG Iland, unpublished). … of
the extract and its eluate were similar (PG Iland, unpublished), indicating that no one particular …