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Solid grape extract for protection against the sun consists of a residues based material containing gallic acid flavonol and e.g. procyanidine

Authors: Torres, Josep Lluís; González, Pedro; Cascante, Marta; Comín, Begoña;

Solid grape extract for protection against the sun consists of a residues based material containing gallic acid flavonol and e.g. procyanidine

Abstract

[EN]The solid grape extract for protection against the sun comprises a residues-based material containing gallic acid 1-5, flavonol and its glycosyl derivatives 1-20 and catechin and its oligomers or procyanidine 1-30 per cent respectively. The grape residue is extracted by aqueous ethanol with lyophilisation and suspension in water. The polyphenolic fraction is extracted in ethyl acetate for suspension in water, centrifugation and lyophilisation. [ES]Extracto de uva para protección solar. Se obtiene a partir de restos de prensado de uva y contiene en su composición al menos: 1 al 5% de ácido gálico, 1 al 30% de especies del tipo catequina y sus oligómeros o procianidinas, 1 al 20% de especies de tipo flavonol y sus derivados glicosilados. En el procedimiento se somete a uva verde a prensado, de su residuo se extrae con etanol acuoso una fracción, donde el etanol es eliminado por evaporación y el residuo resultante es sometido a liofilización el liofilizado se suspende en agua y la fracción polifenólica se extrae en acetato de etilo éste se elimina por evaporación y el residuo se suspende en agua la suspensión se somete a centrifugación, la solución decantada se liofiliza obteniendo un extracto sólido.

Fecha de solicitud:30.08.1999.- Titulares: Consejo Superior de investigaciones científicas (CSIC).- Universidad de Barcelona.

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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