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Three new monomeric stilbenoid glucosides, (Z)- and (E)-resveratrol 3,5- O-beta-diglucosides (1 and 2, respectively) and (Z)-resveratrol 3,5,4'- O-beta-triglucoside (3), were isolated from an extract of Vitis vinifera cell cultures (Cabernet Sauvignon) together with the known (E)- and (Z)-piceids and (E)- and (Z)-resveratrol 3,4'- O-beta-diglucosides that have already been identified in a Gamay cell culture extract. The structure determinations were based on spectroscopic data analysis.
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Larronde et al. (2005) studied this question.
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