Table 4: Recovery (%) and detection limits (molar quantities per dry weight) of quantified compounds in plants and soil, respectively.

CompoundSoilPlant

RecoveryaLOD (nmol/kg)RecoveryaLOD (μmol/kg)

KaempferolND>873142%  ±  105
Astragalin27%  ±  117
Kaempferol-Rha-Glc6%  ±  05121%  ±  10.3
Kaempferol-Rha-Xyl-Gal52%  ±  130135%  ±  20.2
QuercetinND>827
Quercitrin10%  ±  18149%  ±  20.4
Hyperoside9%  ±  112
Quercetin-Xyl-Gal13%  ±  120139%  ±  56
Rutin7%  ±  131
Quercetin-Rha-Xyl-Gal14%  ±  18173%  ±  20.4
Apigenin8%  ±  13787%  ±  30.5
Isovitexin23%  ±  120103%  ±  30.6
Saponarin24%  ±  128ND>1.12
Luteolin7%  ±  4177204%  ±  62
Luteolin-Glc11%  ±  11498%  ±  20.9
Luteolin-di-Glc16%  ±  11491%  ±  20.2
Naringenin44%  ±  15290%  ±  20.4
Daidzein43%  ±  16183%  ±  30.4
Daidzin75%  ±  02097%  ±  20.4
Puerarin114%  ±  13893%  ±  20.3
Formononetin45%  ±  17692%  ±  20.4
Genistein29%  ±  021111%  ±  20.3
Genistin53%  ±  131114%  ±  10.2
Biochanin A34%  ±  03476%  ±  10.2
Sissotrin70%  ±  011146%  ±  20.2
Medicarpin67%  ±  2241119%  ±  94
Coumestrol25%  ±  15269%  ±  30.4

ND: not detected.
aAdjusted for matrix interference: mean of six replicates.