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Acute and sub-acute toxicity studies of Passiflora nepalensis in rats
Patel, Sita Sharan; Verma, Shashi; Nayak, Govind; Singhai, Akhlesh Kumar; Ganesh, N.
  • Patel, Sita Sharan; Himalayan Pharmacy Institute. Department of Pharmacology. IN
  • Verma, Shashi; Himalayan Pharmacy Institute. Department of Pharmacology. IN
  • Nayak, Govind; Lakshmi Narain College of Pharmacy. Department of Pharmacology. IN
  • Singhai, Akhlesh Kumar; Lakshmi Narain College of Pharmacy. Department of Pharmacology. IN
  • Ganesh, N; Jawaharlal Nehru Cancer Hospital & Research Centre. Department of Research. IN
Rev. bras. farmacogn ; 21(4): 730-736, jul.-ago. 2011. tab
Artigo em Inglês | LILACS | ID: lil-596224
ABSTRACT
This study was designed to elucidate the toxicity of widely used plant Passiflora nepalensis Walp. (Passifloraceae) in rats. We have taken methanolic extract isolated from whole plant of Passiflora nepalensis and studied their toxic effects. Acute, sub-acute toxicities and LD50 values were determined in experimental rats. The external appearance of the dead animals, the appearance of the viscera, heart, lungs, stomach, intestine, liver, kidney, spleen and brain were carefully noted and any apparent and significant features or differences from the normal were recorded after acute treatment with methanolic extract of whole plant of Passiflora nepalensis (MPN). Following the sub-acute administration of MPN for fourteen days, the vital organ such as liver, kidney and heart were carefully evaluated by histopathological and biochemical studies and any apparent and significant changes or differences from the normal were recorded. Pathologically, neither gross abnormalities nor histopathological changes were observed. Oral administration of MPN at the doses of 40, 80, 160 and 320 mg/kg body wt for fourteen consecutive days to male and female rats did not induce any short term toxicity. Collectively, these data demonstrate that the methanolic extract of Passiflora nepalensis have a high margin of safety.


Texto completo: DisponíveL Índice: LILACS (Américas) Idioma: Inglês Revista: Rev. bras. farmacogn Assunto da revista: Farmácia Ano de publicação: 2011 Tipo de documento: Artigo País de afiliação: Índia Instituição/País de afiliação: Himalayan Pharmacy Institute/IN / Jawaharlal Nehru Cancer Hospital & Research Centre/IN / Lakshmi Narain College of Pharmacy/IN

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Texto completo: DisponíveL Índice: LILACS (Américas) Idioma: Inglês Revista: Rev. bras. farmacogn Assunto da revista: Farmácia Ano de publicação: 2011 Tipo de documento: Artigo País de afiliação: Índia Instituição/País de afiliação: Himalayan Pharmacy Institute/IN / Jawaharlal Nehru Cancer Hospital & Research Centre/IN / Lakshmi Narain College of Pharmacy/IN