Toxicity Evaluation of Pũrṇa Cantirotaya Centũram, a Siddha Medicine in Wistar Rats

  • Chitra B
  • Ramaswamy R
  • Suba V
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Abstract

Pũrṇa Cantirotaya Centũram (PCC), a herbometallic formulation of Siddha medicine, consists of mercury, sulphur, and gold, processed with red cotton flower and plantain stem pith juices. To evaluate its safety, acute and 28-day repeated oral toxicity studies were performed following OECD test guidelines 423 and 407, respectively. In acute study, PCC was administered orally at 5, 50, 300, and 2000 mg/kg body weight. Animals were observed for toxic signs for 14 days. Gross pathology was performed at the end of the study. In repeated dose toxicity study, PCC was administered at 2.5, 25, and 50 mg/kg body weight daily for 28 days. Satellite groups (control and high dose) were also maintained to determine the delayed onset toxicity of PCC. In acute toxicity study, no treatment related death or toxic signs were observed. It revealed that the LD 50 cut-off value of PCC is between 2000 and 5000 mg/kg body weight. The repeated dose study did not show evidence of any treatment related changes in all observations up to the high dose level, when compared with the control. Histopathological examination revealed no abnormalities except mild hyperplasia of stomach in high dose group. This study provides scientific validation for the safety of PCC.

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Chitra, B., Ramaswamy, R. S., & Suba, V. (2015). Toxicity Evaluation of Pũrṇa Cantirotaya Centũram, a Siddha Medicine in Wistar Rats. International Scholarly Research Notices, 2015, 1–10. https://doi.org/10.1155/2015/473296

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