Oxidative Medicine and Cellular Longevity / 2016 / Article / Tab 2

Research Article

Chemical Characterization, Free Radical Scavenging, and Cellular Antioxidant and Anti-Inflammatory Properties of a Stilbenoid-Rich Root Extract of Vitis vinifera

Table 2

Quantification of monomeric stilbenoids in the root extract of Vitis vinifera as trans-resveratrol equivalents and oligostilbenoids as trans-ε-viniferin equivalents by HPLC-PDA at λ = 280 nm ().

PeakCompoundRetention time () 
min
Molecular ion [M−H]  m/zFragment ions m/zContent [g/kg]SD [g/kg]

1Ampelopsin A16.2469451, 36315.60.41
2Piceatannol22.3243225, 201, 181, 175, 1594.200.34
3r-Viniferin
(Vitisin B)
25.5905887, 799, 705, 675, 545, 451, 35911.10.35
4Resveratrol36.2227212, 185, 159, 141, 10746.30.85
5r-2-Viniferin
(Vitisin A)
37.3905887, 811, 705, 675, 545, 451, 35987.11.31
6Miyabenol C40.4679661, 637, 585, 479, 451, 34512.71.30
7trans-ε-Viniferin42.8453435, 411, 359, 347125.11.23

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