Correlation between Skin Cell Wall Composition and Polyphenol Extractability of Pinot Noir and Cabernet Sauvignon Grapes

Supplemental Figure 1  The composition of skin cell wall material from Pinot noir and Cabernet Sauvignon grape berries from four different regions in California was investigated to determine relationships between cell wall composition and phenolic extractability observed under winemaking conditions. Multiple vineyards (sites) per region were studied, and maps of the vineyard locations are shown.

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