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dc.contributor.authorGarcía Martínez, Daniel
dc.contributor.authorArroyo-Hernández, María
dc.contributor.authorPosada Ayala, María
dc.contributor.authorSantos Tejedor, Cruz 
dc.date.accessioned2021-10-11T10:36:38Z
dc.date.available2021-10-11T10:36:38Z
dc.date.issued2021
dc.identifier.issn2304-8158spa
dc.identifier.urihttp://hdl.handle.net/10641/2484
dc.description.abstractEnsuring healthy lives and well-being constitutes one of the Sustainable Development Goals of the UN 2030 agenda. Consequently, research into how natural products may promote health is essential for the new generation of nutraceuticals and functional foods that are in high demand today. Grape juice is a natural foodstuff composed of water, sugars, minerals, vitamins and a wide array of polyphenols. Polyphenols are bioactive compounds of great interest due to their antioxidant properties and benefits to health, supporting antimicrobial, anti-aging, and anticarcinogenic activity. The majority of grape juice produced in the world is used for the production of wine, although a small part is used in the food industry, mainly in baby food and sports drinks. The aim of this work is to determine the polyphenol content in the natural and concentrated juice of Airen grapes, the main white grape variety produced in Spain. For this, fresh juices from five grape varietals (Airen, Sauvignon Blanc, Gewürztraminer, Verdejo and Tempranillo) and concentrated Airen juice were analyzed and compared. Results showed similar contents of phenolic acids and stilbenes in all grape varietals studied, although the Airen variety demonstrated a higher concentration of two flavonoids: quercetin and catechin. It can be concluded that the grape juice concentration process negatively affects the stability of these compounds, causing a reduction in the polyphenol content that ranges between 54–71%, with the exception of quercetin and catechin.spa
dc.language.isoengspa
dc.publisherFoodsspa
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subjectGrape juicespa
dc.subjectPolyphenolsspa
dc.subjectAntioxidantsspa
dc.subjectVitis vinifera varspa
dc.titleThe High Content of Quercetin and Catechin in Airen Grape Juice Supports Its Application in Functional Food Production.spa
dc.typearticlespa
dc.description.versionpost-printspa
dc.rights.accessRightsopenAccessspa
dc.description.extent1881 KBspa
dc.identifier.doi10.3390/foods10071532spa
dc.relation.publisherversionhttps://www.mdpi.com/2304-8158/10/7/1532spa


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Atribución-NoComercial-SinDerivadas 3.0 España
Except where otherwise noted, this item's license is described as Atribución-NoComercial-SinDerivadas 3.0 España