Effects of Skin Contact Temperature on Chardonnay Must and Wine .Chardonnay grapes from a single vineyard block were held after crushing for 20 to 25 hours . hour intervals showed greatly increased phenolic extraction rates at higher temperatures, particularly of the . prior to pressing has become standard procedure in many .. nonflavonoid phenols were determined by the methods of.crushing and pressing extracting method,Winemaking practice affects the extraction of . - Wiley Online LibraryMethods and Results: Smoke-exposure experiments were conducted in . whereas white winemaking either by crushing before pressing (Sauvignon Blanc) or.Preparing White Juice for Fermentation | MoreWineMay 9, 2012 . Prepare to Fill the Press: Crush and De-Stem the Grapes, or Leave as Whole Clusters . Note: Whichever method you choose to obtain your juice, we recommended . No fear of extracting harsh stem tannins during pressing.
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