Gallic, digallic, trigallic, and ellagic acids were extracted from different commercial tannins
by ethyl acetate and separated by high performance liquid chromatography on hydrocarbon …

The monosaccharide and polyalcohol composition of 28-samples of different commercial
tannins, including oak wood, grape seed and skin, plant gall, chestnut, quebracho and …

Abstract Gall of Rhus chinensis Mill.(Chinese galls) and gall of Quercus infectoria
Oliv.(Turkish galls) have similar applications and chemical compositions, and their extracts …

Extractable tannins were analysed by liquid chromatography-electrospray ionisation mass
spectrometry in two oak species, North American white oak (Quercus alba) and European …

Abstract A RP‐HPLC method for determining fourteen components (gallic acid, chebulic
acid, 1, 6‐di‐O‐galloyl‐D‐glucose, punicalagin, 3, 4, 6‐tri‐O‐galloyl‐D‐glucose, casuarinin …

Although oak wood is the main material used in cooperage, other species are being
considered as possible sources of wood for the production of wines and their derived …

Enological tannins are widely used in winemaking process to improve different
characteristics of wines. A wide spectrum of enological tannins is now available on the …

Emil Fischer, at the turn of the century, made some characteristically brilliant and perceptive
contributions to the study of the constitution of the gallotannins from Chinese and Aleppo …

Two structural isomers of pentagalloylglucose and four isomers of hexagalloylglucose have
been isolated from Turkish galls (Quercus infectoria), in addition to 1, 2, 3, 6-tetra-O-galloyl-β …

Aqueous ethanolic extracts of three sources of oak wood, a commercial American oak meal
preparation, American white oak tank wood, and a French Limousin barrel sample, were …