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PHARMACOLOGICAL STUDY
Year : 2013  |  Volume : 34  |  Issue : 1  |  Page : 118-123

Repeated dose oral toxicity of Trivanga Bhasma in Swiss albino mice


1 Research Officer (Pharmacology), National Research Institute of Ayurveda for Drug Development, Kolkata, West Bengal, India
2 Research Officer (Experimental Pathology), National Research Institute of Ayurveda for Drug Development, Kolkata, West Bengal, India
3 Senior Research Fellow (Pharmacology), National Research Institute of Ayurveda for Drug Development, Kolkata, West Bengal, India
4 Assistant Director (Pharmacology), Central Council for Research in Ayurvedic Sciences, Janakpuri, New Delhi, India
5 Assistant Director (Pharmacology), National Research Institute of Ayurveda for Drug Development, Central Council for Research in Ayurvedic Sciences, Kolkata, West Bengal, India
6 Director, National Research Institute of Ayurveda for Drug Development, Central Council for Research in Ayurvedic Sciences, Kolkata, West Bengal, India

Correspondence Address:
Pallavi S Jamadagni
Research Officer (Pharmacology), National Research Institute of Ayurveda for Drug Development, 4 CN Block,, Sector V, Bidhannagar, Kolkata, West Bengal
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0974-8520.115449

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Trivanga Bhasma , a metallic preparation containing Bhasmas of Naga (lead), Vanga (tin) and Yashada (zinc), was studied for repeated dose toxicity in Swiss albino mice to estimate No Observed Effect Level (NOEL) or No Observed Adverse Effect Level (NOAEL). A total of 80 Swiss albino mice of either sex with an average body weight of 28-30 g were equally divided into four groups (Group I, II, III, and IV). Group I served as control and was given vehicle (honey: water in 2:3 ratio) Group II, III, and IV received Trivanga Bhasma @ 7.8, 39.5, and 78 mg/kg body weight for 90 consecutive days. The effect of drug was assessed on body weight, feed and water consumption changes, hematological, and histopathological parameters . At the end of the study, all animals were sacrificed and examined for gross pathological changes. Histopathological evaluation was performed for control and high dose group. Trivanga Bhasma was found to be safe. No significant clinical signs were noted in all groups studied. No major alterations were observed during histopathological evaluation. Hence, dose rate of 78 mg/kg body weight was established as NOAEL. It is suggested to carry out a toxicity study at possible higher doses and in a different species so as to establish target organ of toxicity.


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