Table 6.
Quantitative determination of six triterpenoids in 18 samples of C. paliurus leaves a.
| Sample No. | Content (mg g−1) | ||||||
|---|---|---|---|---|---|---|---|
| Arjunolic Acid | Cyclocaric Acid B | Pterocaryoside B | Pterocaryoside A | Hederagenin | Oleanolic Acid | TTC b | |
| S1 | 5.52 ± 0.23c | 1.00 ± 0.05f | 1.61 ± 0.081i | 3.78 ± 0.09d | 1.02 ± 0.00hi | 0.26 ± 0.01h | 13.18 ± 0.49e |
| S2 | 3.13 ± 0.16f | 1.06 ± 0.02f | 2.62 ± 0.13g | 3.82 ± 0.06d | 0.96 ± 0.01i | 0.40 ± 0.00e | 11.99 ± 0.53fg |
| S3 | 2.22 ± 0.11g | 0.89 ± 0.04g | 2.62 ± 0.13g | 3.18 ± 0.16f | 1.14 ± 0.06fg | 0.45 ± 0.02d | 10.50 ± 0.20h |
| S4 | 4.29 ± 0.15d | 1.82 ± 0.02c | 0.46 ± 0.03k | 2.89 ± 0.14fg | 1.32 ± 0.03cd | 0.46 ± 0.00d | 11.24 ± 0.20gh |
| S5 | 4.29 ± 0.15d | 1.51 ± 0.01e | 4.70 ± 0.12c | 3.49 ± 0.09e | 0.65 ± 0.03k | 0.17 ± 0.00i | 14.79 ± 0.45d |
| S6 | 5.77 ± 0.29bc | 2.17 ± 0.00b | 3.46 ± 0.00d | 4.88 ± 0.04c | 1.75 ± 0.01a | 0.54 ± 0.00c | 18.57 ± 0.54c |
| S7 | 3.92 ± 0.04e | 1.45 ± 0.02e | 2.20 ± 0.11h | 2.95 ± 0.07f | 0.74 ± 0.04j | 0.37 ± 0.00f | 11.62 ± 0.34fgh |
| S8 | 2.11 ± 0.11g | 0.70 ± 0.02h | 1.10 ± 0.02j | 1.39 ± 0.06i | 0.45 ± 0.01m | 0.10 ± 0.00jk | 5.85 ± 0.21k |
| S9 | 2.13 ± 0.11g | 0.68 ± 0.00hi | 0.95 ± 0.00j | 1.05 ± 0.05j | 0.41 ± 0.02m | 0.16 ± 0.00i | 5.38 ± 0.41kl |
| S10 | 5.98 ± 0.02b | 2.86 ± 0.14a | 2.99 ± 0.15f | 4.91 ± 0.25c | 1.10 ± 0.06gh | 0.41 ± 0.02e | 18.25 ± 1.17c |
| S11 | 2.02 ± 0.10g | 0.85 ± 0.04g | 3.10 ± 0.16ef | 2.65 ± 0.13g | 1.70 ± 0.09a | 0.40 ± 0.02e | 10.72 ± 0.57h |
| S12 | 1.66 ± 0.08h | 1.63 ± 0.00d | 2.89 ± 0.11f | 4.81 ± 0.04c | 1.40 ± 0.03c | 0.29 ± 0.00g | 12.67 ± 0.26ef |
| S13 | 1.62 ± 0.01h | 0.59 ± 0.01i | 3.31 ± 0.13de | 3.17 ± 0.14f | 0.40 ± 0.00m | 0.11 ± 0.00j | 9.19 ± 0.26i |
| S14 | 6.69 ± 0.26a | 2.80 ± 0.06a | 5.16 ± 0.14b | 8.38 ± 0.16a | 1.52 ± 0.08b | 0.67 ± 0.00a | 25.22 ± 0.30a |
| S15 | 5.47 ± 0.27c | 1.90 ± 0.10c | 5.61 ± 0.28a | 6.06 ± 0.30b | 1.26 ± 0.02de | 0.36 ± 0.01f | 20.67 ± 1.03b |
| S16 | 1.39 ± 0.07h | 0.39 ± 0.00j | 0.64 ± 0.03k | 0.67 ± 0.03k | 1.20 ± 0.05ef | 0.59 ± 0.02b | 4.89 ± 0.15kl |
| S17 | 1.67 ± 0.08h | 0.43 ± 0.01j | 1.17 ± 0.03j | 0.73 ± 0.00k | 0.28 ± 0.00n | 0.08 ± 0.00k | 4.36 ± 0.22l |
| S18 | 1.35 ± 0.07h | 0.68 ± 0.03hi | 2.06 ± 0.10h | 2.27 ± 0.11h | 0.54 ± 0.03l | 0.17 ± 0.00i | 7.08 ± 0.35j |
a Data are expressed as mean ± SD of duplicate experiments. Different letters indicate significant differences among the C. paliurus from different geographic regions in triterpenoid content (p ≤ 0.05 by Duncan’s test); b TTC: content of total six triterpenoids.