Radioprotective effect of leaf extract of Indian medicinal plant Ocimum sanctum

P. U. Devi, A. Ganasoundari

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Abstract

Water or aqueous ethanol extract of O. sanctum was given ip. either as a single dose or multiple doses, before a whole-body exposure to 11 Gy (LD(100/30)) of 60Co gamma radiation in albino mice. The water extract was more effective and less toxic than the aqueous ethanol extract. An optimum ip dose of 50 mg/kg (<1/100 LD50) of the water extract, at 10 mg/kg/day for 5 consecutive days, gave the maximum survival. Increasing the dose per treatment or the number of treatments did not increase protection. Intraperitoneal administration gave the best protection (70% survival). Other routes (im, iv and po) were less effective and produced 37-47% survival. The optimum dose (ip) gave a dose modifying factor of 1.28. Since the extract may contain a number of chemical compounds, it is not possible to attribute the observed protection to any particular compound at present.

Original languageEnglish
Pages (from-to)205-208
Number of pages4
JournalIndian Journal of Experimental Biology
Volume33
Issue number3
Publication statusPublished - 16-03-1995
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Molecular Biology
  • Cell Biology

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