Pure Vitis vinifera cultivars do not grow well in the midwestern United States. The expanding
wine industry in this region relies on European hybrid grapes or on native grapes and …

The quantities of 11 flavan-3-ols were determined using HPLC in the seeds of 17 vinifera,
hybrid, and labrusca type red and white grape cultivars grown in the Niagara region of …

Three new phenolic compounds that are contained in most white grapes grown in New York
were positively identified. They are catechin-gallate, catechin-catechin-gallate and β-1, 3, 6 …

Phenolic compounds in 21 grape cultivars grown in New York during the 1985 season were
analyzed by using column chromatography, thin layer chromatography, and high …

This study was a quantitative HPLC analysis of four anthocyanins and five phenolic
compounds contained in the skins, vines and seeds of the Campbell Early, Muscat Bailey A …

Grape seed extracts are known for their beneficial effects on health and on cardiovascular
diseases due to antioxidant activity and the free radical-scavenging properties of …

Employing gradient elution HPLC with direct injection of 20 µL of sample and diode array
detection, the (+)-catechin and (-)-epicatechin concentrations were determined in> 800 red …

To test the hypothesis that cultivar-specific patterns of wine polyphenols can be identified in
commercial wines, the concentrations of 18 polyphenolic constituents were measured in 97 …

Three wine grapes, Norton (Vitis aestivalis), Cabernet Franc clone1, and Cabernet Franc
clone313 (Vitis vinifera), collected from a Virginia vineyard were evaluated and compared …

Grape stems contain significant amounts of polyphenolic compounds, especially phenolic
acids, flavonols, and flavanonols such as astilbin. The tannin content was characterized after …