Table 1.
Concentration of betulin / betulinic acid in the HPLC tested samples
|
Sample |
Weighed quantity |
Active principle concentration in HPLC tested sample |
Total quantity in the sample |
% of active substance in sample |
|||
|---|---|---|---|---|---|---|---|
| |
mg |
ng/ml |
mg |
|
|||
| Betulinic acid | Betulin | Betulinic acid | Betulin | Betulinic acid | Betulin | ||
| 1 |
9.96 |
393.79 |
736.12 |
0.39 |
7.36 |
4.0 |
73.9 |
| 2 |
8.08 |
296.03 |
536.09 |
0.30 |
5.36 |
3.7 |
66.3 |
| 3 |
10.31 |
204.99 |
795.77 |
0.20 |
7.96 |
2.0 |
77.2 |
| 1 pp |
10.47 |
256.61 |
852.12 |
0.26 |
8.52 |
2.5 |
81.4 |
| 3 pp |
12.5 |
181.68 |
1216.79 |
0.18 |
12.17 |
1.5 |
97.3 |
| 4 | 8.12 | 135.90 | 628.50 | 0.14 | 6.28 | 1.7 | 77.4 |