| DS Description
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For comprehensive flavonol profiling, nonp … For comprehensive flavonol profiling, nonprocessed MS data were converted to NetCDF format by MassLynx software (Micromass MS Technologies). Data analyses including principal component analysis were performed by the Phenomenome Profiler (Phenomenome Discoveries). Flavonol glycoside standards were used for the identification of the peaks in the plant extracts based on retention times, UV-visible absorption spectra, and mass fragmentation by tandem MS analysis. Other flavonol peaks were annotated by comparing their UV-visible absorption spectra, elution times, m/z values, and MS2 fragmentation patterns with 85 reference flavonoid compounds and the reported data (Tohge et al., 2005, 2007; Routaboul et al., 2006; Yonekura-Sakakibara et al., 2007). The mass spectrum data of standard compounds (see Supplemental Data Set 2 online) were recorded in the MASSBANK Database (http://www.massbank.jp/index-e.html). ase (http://www.massbank.jp/index-e.html).
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