Figure 4
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Fraction C UPLC analysis (Fraction C, left side) and prep-HPLC isolation (Fraction C, right side) of individual phenolic compounds isolated from HSCCC of grape skinextract; peak 8 = trans-coutaric acid, peak 9 = quercetin-3-glucuronide. Fraction D UPLC analysis (Fraction D, left side) and prep-HPLC isolation (Fraction D, right side) ofindividual phenolic compounds isolated from HSCCC of grape skin extract; peak 10 = procyanidin dimer B3, peak 11 = procyanidin dimer B4, peak 12 = procyanidin dimer B2.Fraction E UPLC analysis (Fraction E, left side) and prep-HPLC isolation (Fraction E, right side) of individual phenolic compounds isolated from HSCCC of grape skin extract;peak 13 = procyanidin dimer B1, peak 14 = procyanidin trimer T2, peak 15 = procyanidin trimer C1 (adopted from Luo et al. [7]).
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