Table 1 Pharmacognostic specification of Terminalia arjuna, Terminalia chebula, Terminalia bellirica, and Phyllanthus emblica
Parameters | Content (% by weight) | |||
|---|---|---|---|---|
T. arjuna a | T. chebula b | T. bellirica b | P. emblica b | |
Foreign matter | ND | 0.02 | 1.91 | 0.95 |
Total ash | 3.43 ± 0.16 | 3.70 ± 0.23 | 4.69 ± 0.51 | 3.00 ± 0.1 |
Acid-insoluble ash | 0.03 ± 0.02 | 0.07 ± 0.00 | 0.10 ± 0.05 | 0.03 ± 0.02 |
Loss on drying | NA | 7.25 ± 0.07 | 7.24 ± 0.02 | 7.60 ± 0.04 |
Ethanol-soluble extractive | 38.67 ± 0.56 | 16.48 ± 1.29 | 22.27 ± 1.52 | 19.38 ± 0.39 |
70% ethanol-soluble extractive | NA | 22.29 ± 0.37 | 35.75 ± 1.39 | NA |
Water-soluble extractive | 42.15 ± 0.63 | 20.57 ± 1.97 | 28.93 ± 1.11 | 32.19 ± 1.11 |
Determination of tannins | NA | 18.36 ± 0.53 | 21.61 ± 0.02 | 21.61 ± 0.02 |