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Chemically Modified Clay Adsorbents Used in the Retention of Protein and Polyphenolic Compounds from Sauvignon Blanc White Wine

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dc.contributor.author HORTOLOMEU, Andreea
dc.contributor.author MIRILA, Diana Carmen
dc.contributor.author ROŞU, Ana-Maria
dc.contributor.author NEDEFF, Florin Marian
dc.contributor.author SCUTARU, Iuri
dc.contributor.author URECHE, Dorel
dc.contributor.author STURZA, Rodica
dc.contributor.author FÎNARU, Adriana-Luminiţa
dc.contributor.author NISTOR, Ileana Denisa
dc.date.accessioned 2024-06-11T11:00:38Z
dc.date.available 2024-06-11T11:00:38Z
dc.date.issued 2024
dc.identifier.citation HORTOLOMEU, Andreea et al. Chemically Modified Clay Adsorbents Used in the Retention of Protein and Polyphenolic Compounds from Sauvignon Blanc White Wine. In: Nanomaterials, 2024, vol. 14, nr. 7, art. nr. 588. ISSN 2079-4991. en_US
dc.identifier.issn 2079-4991
dc.identifier.uri https://doi.org/10.3390/nano14070588
dc.identifier.uri http://repository.utm.md/handle/5014/27358
dc.description Acces full text - https://doi.org/10.3390/nano14070588 en_US
dc.description.abstract During the manufacturing process of white wine, various physicochemical reactions can occur and can affect the quality of the finished product. For this reason, it is necessary to apply different treatments to minimize distinct factors such as protein instability and pinking phenomenon, which can affect the organoleptic properties of wines and their structure. In this work, a new method for the preparation of a sorbent-type material is presented through the fractional purification of native bentonite in three fractions (Na-BtF1, Na-BtF2, and Na-BtF3). Furthermore, the influence of the prepared sorbents on pH, conductivity, and amino nitrogen level was analyzed. The absorbents prepared and tested in wine solutions were characterized using the following physico-chemical methods: Brunauer–Emmett–Teller and Barrett–Joyner–Halenda (BET-BJH) method, X-ray diffraction (XRD) technique, and transform-coupled infrared spectroscopy Fourier with attenuated total reflection (FTIR-ATR). Following the analyses carried out on the retention of protein content and polyphenolic compounds, it was found that materials based on natural clay have suitable adsorption properties. en_US
dc.language.iso en en_US
dc.publisher MDPI (Basel, Switzerland) en_US
dc.relation.ispartofseries Nanomaterials;2024, vol. 14, nr. 7
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject bentonite en_US
dc.subject wines en_US
dc.subject proteins en_US
dc.subject polyphenols en_US
dc.subject tannins en_US
dc.title Chemically Modified Clay Adsorbents Used in the Retention of Protein and Polyphenolic Compounds from Sauvignon Blanc White Wine en_US
dc.type Article en_US


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