Fig. 3
PCA loading column plot of the 1H NMR data of the various EtOH:water extracts. 1 – quercetin derivatives; 2 - rutin; 3 - chlorogenic acid; 4 - proline; 5 - fatty acid; 6 - acetic acid; 7 - catechin
Fig. 3 | BMC Complementary and Alternative Medicine