Table 1. HPLC analysis of the flavonoid samples used in the current study.
| Main content of the minor flavonoids | |||
| Compound | content (%)1 | (%)2 | Other minor flavonoids |
| Naringenin | 94.7 | Naringin (0.6) | Naringenin-7-glucoside |
| Naringenin K | 93.8 | Naringin (0.9) | Naringenin-7-glucoside |
| Naringin | 95.2 | Narirutin (1.1) | Poncirin, Naringenin |
| Apigenin | 97.2 | Rhoifolin (0.7) | Apigenin-7-glucoside |
| Apigenin K | 96.5 | Rhoifolin (0.8) | Apigenin-7-glucoside |
| Rhoifolin | 96.1 | Naringin (0.4) | Apigenin |
| Genistein | 97.2 | Daidzein (1.1) | Genistin |
| Luteolin | 95.9 | Eriodictyol (0.8) | Luteolin-7-glucoside |
| Hesperetin | 94.7 | Hesperidin (1.2) | Hesperetin-7-glucoside |
| Diosmetin | 93.8 | Diosmin (2) | Hesperidin |
| Diosmin | 95.2 | Hesperidin (1.8) | Hesperetin |
| Catechin | 98.1 | Other catechins | |
| Epicatechin | 98.5 | Other catechins | |
| Quercetin | 95.7 | Rutin (1.5) | Isoquercitrin |
| Rutin | 97.1 | Isoquercitrin (1.1) | Quercetin |
| Kaempferol | 96.8 | Quercetin (0.8) | Kaempferol-3-glucoside |
1
Absolute value as is.
2
The reference % assay is referred to the absolute content as is of the main flavonoid.