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Table 1 Pharmacognostic specification of Terminalia arjuna, Terminalia chebula, Terminalia bellirica, and Phyllanthus emblica

From: Traditional tonifying polyherbal infusion, Jatu-Phala-Tiga, exerts antioxidant activities and extends lifespan of Caenorhabditis elegans

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
  1. ND Not detected, NA Not applicable,
  2. aThe parameters were tested according to Ayurvedic herbal pharmacopoeia
  3. bThe parameters were tested according to Thai herbal pharmacopoeia