Edible flowers are commonly used in human nutrition and their consumption has increased
in recent years. The aim of this study was to ascertain the nutritional composition and the …

… Ana Belén Bautista Ortín para aspirar al grado de Doctor, ha sido realizada bajo nuestra
dirección en los laboratorios del Departamento de Tecnología de Alimentos, Nutrición y …

Grape and apple condensed tannin fractions were autoxidized at high concentrations (5 g/L)
in aqueous solutions and analyzed by thiolysis (depolymerization followed by HPLC …

BACKGROUND: Grape skin cell walls form a barrier against the diffusion of colour. The
colour of red wines is mainly due to anthocyanins, although their concentration in wine is not …

The morphology and composition of skin and pulp cell walls of four premium red wine grape
(Vitis vinifera L.) varieties were studied to determine whether the technological differences …

Commercial enological tannins were used to investigate the role that cell wall material plays
in proanthocyanidin adsorption. Insoluble cell wall material, prepared from the skin of Vitis …

The rate of tannin extraction was studied in a vinification of red grapes and the results compared
with another vinification made with white grapes fermented as for typical red wine, in the …

The transference of proanthocyanidins from grapes to wine is quite low. This could be due,
among other causes, to proanthocyanidins being bound to grape cell wall polysaccharides, …

Wine colour is one of the main organoleptic characteristics influencing its quality. It is of special
interest in red vinifications due to the economic resources that wineries have to invest for …

This study presents the application of high-power ultrasounds (US) to crushed grapes using
winery-scale equipment and studies, for the first time at this scale, how the frequency of the …