Table III. List of metabolites identified by one-point calibration in darkness and after treatment with UV light
CategoryKEGG IdentifierCompoundIntensityUV Light-Dark RatioConcentrationb
DarkUV LightDarkUV Light
μg g−1 fresh wt
C00079l-Phe0.1520.1030.6861.841.9
ResveratrolC03582Trans-resveratrol, 3,4′,5-trihydroxystilbene0.09132.430355.189.83,492.3
cCis-resveratrol0.051a0.0881.726.3
C10275Piceid0.051a0.1713.3545.3
C10289(−)-ε-Viniferin, ε-viniferin0.3892.2735.8479.2462.3
AnthocyaninC12138Delphinidin 3-glucoside (mirtillin)0.051a0.052a1.01
C12140Malvidin 3-glucoside (oenin)0.051a0.052a1.01
C12139Petunidin 3-glucoside0.051a0.052a1.01
C08604Cyanidin 3-glucoside0.051a0.052a1.01
C12141Peonidin 3-O-glucoside0.051a0.052a1.01
ProanthocyanidinC06562(+)-Catechin21.31322.8501.073,771.24,043.3
C09727(−)-Epicatechin0.6350.5980.94114.6108.0
C12136l-Epigallocatechin0.0610.0621.0117.918.0
c(−)-Epicatechin 3-O-gallate0.051a0.052a1.01
FlavonolC00389Quercetin0.051a0.0731.428.2
C10107Myricetin0.051a0.052a1.01
C05623Quercetin-3-O-glucoside (hirsutrin)0.9461.1621.23227.6279.4
  • a Low intensities (less than or equal to 0.052) were detected at background noise levels.

  • b The concentrations of the compound of low intensity are indicated by a dash.

  • c It has not been registered in KEGG.