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Year : 2019  |  Volume : 7  |  Issue : 1  |  Page : 8-19

Experimental study on effect of Naga Bhasma (lead calx) on hematological and biochemical parameters

1 Department of Rasshastra and Bhaishajya Kalpana, Mahatma Gandhi Ayurved College, Hospital and Research Centre, Wardha, Maharashtra, India
2 Department of Rasashastra and Bhaishajya Kalpana, Shri Gurudeo Ayurveda College, Amravati, Maharashtra, India
3 Department of Rasashastra and Bhaishajya Kalpana, Institute for Post Graduate Training and Research in Ayurveda, Gujarat Ayurved University, Jamnagar, Gujarat, India

Correspondence Address:
Dr. Dhirajsingh S Rajput
Department of Rasashastra and Bhaishajya Kalpana, Mahatma Gandhi Ayurved College Hospital and Research Centre, Salod (H), Wardha 442001, Maharashtra.
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JISM.JISM_9_19

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Background: In recent decade, a lot of concerns has been raised regarding heavy metal content in Ayurveda medicines, especially Bhasma (metallic calx). Naga Bhasma (lead calx) is of the metallic preparation primarily indicated in treating chronic ailments such as Kamala (jaundice), Vatarakta (gout), Grdhrasi (sciatica), Kustha (skin diseases), and Prameha (diabetes). As being a compound of lead, its chronic toxicity study was planned to find out the effect of Naga Bhasma on serum biochemical and hematological parameters. Material and method: Naga Bhasma was prepared by Parada (mercury) and Gandhaka media (NBP) and Vasa Swarasa (juice of Adhatoda vasica Linn.) as herbal media (NBH) in seven Puta (incineration cycles). Chronic oral toxicity study was carried out as per Organization for Economic cooperation and Development (OECD) 408 (90-day oral repeated dose toxicity study). Wistar strain albino rats (Rattus norvegicus) were used for the experimentation. The study was conducted at three dosage levels, therapeutically effective dose (TED) of NBP and NBH was 45 mg/kg body weight of rat, TED × 5 and TED × 10. On 91st day, blood was collected by supraorbital puncture with the help of microcapillary tubes under mild ether anesthesia for estimation of serum biochemical and hematological parameters. Observation and results: Among hematological parameters, significant decrease was observed in MCV (Mean corpuscular volume), MCH (Mean corpuscular haemoglobin), and mean corpuscular hemoglobin concentration by NBH-treated group, whereas in biochemical parameters, both test drugs significantly increased BSL (Blood Sugar Level), SGOT (Serum Glutamic-Oxaloacetic Transaminase), and serum ALP (Alkaline Phosphatise) activity. Hematological and biochemical analysis indicates that both test drugs (prepared in seven incineration cycles) were not found completely safe, especially at higher dosage where the drug affected renal and hepatic functions. Conclusion: For the safety purpose, it is suggested that Naga Bhasma prepared in less number of incineration cycles may not be used for therapeutic purpose.

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