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Polyphenolic and volatile profile of Macedonian wines and by-products

 

Marketed By :  LAP LAMBERT Academic Publishing   Sold By :  Kamal Books International  
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  • Product Description
 

This study evaluates the polyphenolic and volatile profile of wines and by-products from Macedonia produced under different vinification procedures. The first goal of this study was the isolation of anthocyanins from grape pomace of three red varieties (Vranec, Merlot and Pinot Noir) by application of countercurrent chromatography. The major anthocyanin was malvidin-3-glucoside and also delphinidin-3-glucoside, cyanidin-3-glucoside, petunidin-3-glucoside, peonidin-3-glucoside and malvidin-3-p-coumaroyl-glucoside were isolated. The “color activity concept” was applied and visual detection thresholds of isolated anthocyanins were determined. The content of trans-resveratrol and its glucoside piceid, resulting antioxidant activity and the relationship between their levels and winemaking technology has been studied in Macedonian red wines from the two main grape varieties Vranec and Merlot. Finally, the liberation of glycosidically bound volatile compounds from white and red wines was performed by using the enzyme mixture “AR 2000” and the obtained volatile profile was compared with that of the wines in which the enzyme “Ednozym Aromatic” during vinification was applied.

Product Specifications
SKU :COC39988
AuthorSanja Kostadinovik Velickovska
LanguageEnglish
BindingPaperback
Number of Pages212
Publishing Year2012-11-07T00:00:00.000
ISBN978-3659171253
Edition1 st
Book TypeChemistry
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-02-08 00:00:00