Table 3.
Contents of 21 compounds in EC, EF, and EFM (μg/g, mean ± SD, n = 3).
| No. | Compounds | EC | EF | EFM | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 | S9 | ||
| 1 | Catalpol | 26.33 ± 2.77 | 14.45 ± 1.82 | 18.80 ± 1.23 | 54.78 ± 3.60 | 91.33 ± 4.54 | 135.17 ± 4.80 | 18.80 ± 1.47 | 15.89 ± 0.60 | 21.07 ± 0.91 |
| 2 | Aucubin | 351.33 ± 34.59 | 557.00 ± 12.53 | 895.00 ± 13.23 | 27.70 ± 3.34 | 45.02 ± 3.11 | 17.71 ± 2.26 | 84.00 ± 7.21 | 2378.33 ± 12.58 | 4663.33 ± 132.04 |
| 3 | Harpagide | 2.43 ± 0.57 | 1.23 ± 0.05 | 4.15 ± 0.28 | 1.65 ± 0.04 | 2.06 ± 0.06 | 1.14 ± 0.10 | 2.66 ± 0.32 | 1.30 ± 0.05 | - |
| 4 | Geniposidic acid | 1630.00 ± 5.00 | 1040.00 ± 36.06 | 393.67 ± 7.51 | 129.17 ± 2.52 | 32.22 ± 2.06 | 67.11 ± 4.43 | 3285.00 ± 97.60 | 3541.67 ± 68.25 | 3628.33 ± 46.46 |
| 5 | Neochlorogenic acid | 31.52 ± 0.87 | 22.18 ± 0.28 | 11.20 ± 0.30 | 139.40 ± 0.85 | 83.80 ± 1.75 | 67.33 ± 5.69 | 28.94 ± 0.45 | 28.98 ± 0.81 | 30.21 ± 1.03 |
| 6 | Protocatechuic acid | 13.87 ± 0.39 | 4.85 ± 0.37 | 8.32 ± 0.69 | 43.25 ± 1.38 | 262.80 ± 8.78 | 153.17 ± 10.60 | 37.27 ± 1.81 | 31.78 ± 0.78 | 26.10 ± 0.48 |
| 7 | Syringin | 1.33 ± 0.20 | 5.40 ± 0.22 | 7.98 ± 0.50 | 37.37 ± 2.13 | 1.25 ± 0.26 | 6.29 ± 0.50 | 30.63 ± 0.74 | 25.12 ± 0.83 | 27.73 ± 1.52 |
| 8 | Chlorogenic acid | 8030.00 ± 62.45 | 4276.67 ± 102.14 | 1641.33 ± 116.57 | 14,086.67 ± 160.42 | 12,446.67 ± 291.43 | 11,593.33 ± 30.55 | 13,410.00 ± 284.78 | 14,543.33 ± 695.15 | 16,710.00 ± 608.52 |
| 9 | Pinoresinol-di-O-β-d-glucopyranoside | 888.33 ± 32.15 | 1295.00 ± 30.00 | 1125.00 ± 52.20 | 9.07 ± 0.55 | 15.91 ± 0.70 | 21.72 ± 1.01 | 16.88 ± 0.75 | 26.92 ± 2.54 | 74.17 ± 3.88 |
| 10 | Geniposide | 13.68 ± 0.98 | 231.33 ± 4.25 | 148.13 ± 6.79 | - | - | - | 111.83 ± 0.76 | 578.33 ± 20.82 | 1803.33 ± 35.12 |
| 11 | Cryptochlorogenic acid | 2013.33 ± 20.82 | 1073.33 ± 30.55 | 406.00 ± 27.22 | 3553.33 ± 70.24 | 3100.00 ± 70.00 | 2963.33 ± 118.46 | 3343.33 ± 75.72 | 3550.00 ± 90.00 | 4230.00 ± 115.33 |
| 12 | Caffeic acid | 31.32 ± 0.31 | 20.17 ± 0.81 | 14.79 ± 0.56 | 29.05 ± 1.13 | 182.50 ± 4.58 | 38.03 ± 1.95 | 51.28 ± 1.63 | 37.52 ± 1.93 | 20.62 ± 0.81 |
| 13 | Rutin | - | - | - | 541.00 ± 28.16 | 88.67 ± 2.52 | 343.00 ± 26.51 | 2561.67 ± 25.17 | 1509.33 ± 80.60 | 1685.00 ± 10.00 |
| 14 | Isoquercitrin | - | - | - | 475.00 ± 7.55 | 108.33 ± 1.53 | 369.67 ± 20.51 | 395.33 ± 11.56 | 441.00 ± 22.11 | 507.00 ± 14.73 |
| 15 | Genipin | 10.18 ± 0.83 | 92.83 ± 0.29 | 104.33 ± 6.03 | 11.50 ± 0.92 | 1.85 ± 0.18 | 18.22 ± 1.18 | 407.50 ± 15.55 | 36.38 ± 3.59 | 71.28 ± 4.08 |
| 16 | Pinoresinol-4′-O-β-d-glucopyranoside | 138.33 ± 1.26 | 202.00 ± 2.65 | 306.50 ± 17.26 | 7.30 ± 0.23 | 2.28 ± 0.01 | 6.19 ± 0.05 | 12.49 ± 0.94 | 11.22 ± 0.23 | 13.33 ± 0.45 |
| 17 | Astragalin | - | - | - | 165.50 ± 4.27 | 47.65 ± 0.23 | 160.73 ± 13.51 | 106.53 ± 4.00 | 116.33 ± 5.51 | 118.50 ± 9.00 |
| 18 | Isochlorogenic acid A | 100.17 ± 5.13 | 62.40 ± 0.85 | 47.02 ± 3.06 | 117.33 ± 2.52 | 11.07 ± 0.21 | 32.90 ± 0.90 | 95.17 ± 4.86 | 83.83 ± 1.04 | 403.40 ± 9.56 |
| 19 | Kaempferol | - | - | - | 22.13 ± 0.57 | 31.08 ± 0.58 | 20.07 ± 1.31 | 19.32 ± 1.09 | 5.99 ± 0.29 | 6.06 ± 0.23 |
| 20 | Baicalein | 0.21 ± 0.04 | 0.77 ± 0.09 | 0.43 ± 0.04 | 0.16 ± 0.01 | 0.15 ± 0.00 | 0.14 ± 0.01 | 0.14 ± 0.02 | 0.12 ± 0.00 | 0.14 ± 0.02 |
| 21 | Quercetin | - | - | - | 3740.67 ± 168.84 | 2085.00 ± 5.00 | 1651.67 ± 106.93 | 708.33 ± 5.77 | 637.83 ± 15.61 | 160.50 ± 5.29 |