CHARACTERIZATION OF SEVERAL WEST GEORGIAN AUTOCHTHONOUS GRAPES AND THEIR WINE STILBENES

Maia Kharadze (), Maia Vanidze (), Indira Djaparidze (), Givi Kalandia (), Ruslan Davitadze () and Aleko Kalandia ()
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Maia Kharadze: Batumi Shota Rustaveli State University, Faculty of Natural Sciences and Health Care, Department of Chemistry, Batumi
Maia Vanidze: Batumi Shota Rustaveli State University, Faculty of Natural Sciences and Health Care, Department of Chemistry, Batumi
Indira Djaparidze: Batumi Shota Rustaveli State University, Faculty of Natural Sciences and Health Care, Department of Chemistry, Batumi
Givi Kalandia: Batumi Shota Rustaveli State University, Faculty of Natural Sciences and Health Care, Department of Chemistry, Batumi
Ruslan Davitadze: Batumi Shota Rustaveli State University, Faculty of Natural Sciences and Health Care, Department of Chemistry, Batumi
Aleko Kalandia: Batumi Shota Rustaveli State University, Faculty of Natural Sciences and Health Care, Department of Chemistry, Batumi

CBU International Conference Proceedings, 2019, vol. 7, issue 0, 938-942

Abstract: The present study was conducted to determine the content of Stilbenes in the several autochthonous West Georgian grapes and wines. Stilbenes were analyzed using HPLC-UV samples and were prepared using resin (amberlite XAD2) column, C18 Cartridge Solid Phase Extraction (SPE) Waters Sep-Pak C18 (500 mg). The identification was achieved using UPLC-PDA and MS analysis. The study was conducted on the following Stilbenes and their derivatives – Astringin, Piceid, Trans/cis resveratrol, and ε-Viniferin. The amount of stilbenes in grapes was determined as: Aladasturi-131.9±4.8 mg kg-1, Aleksandrouli 148.2±4.9 mg kg-1, Mujuretuli 215.3±7.9 mg kg-1 , Chkhaveri 77.5 ±2.5 mg kg-1, Ojaleshi 260.71±9.1mg kg-1 . In red wines the content of Stilbenes was Aladasturi-19.17±0.5 mg kg-1, Aleksandrouli 14. 87±0.4 mg kg-1, Mujuretuli 21.36±0.5 mg kg-1, Chkhaveri 14.5±0.4 mg kg-1, Ojaleshi 60.8±2.2 mg kg-1.

Keywords: stilbenes; red wines; HPLC-UV; UPLC-MS; PDA (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:aad:iseicj:v:7:y:2019:i:0:p:938-942

DOI: 10.12955/cbup.v7.1479

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