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Analgesic principle from Abutilon indicum.

M Ahmed1, S Amin, M Islam

  • 1Department of Pharmacy, University of Dhaka, Bangladesh. deanphrm@du.bangla.net

Die Pharmazie
|May 8, 2000
PubMed
Summary
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Eugenol, isolated from Abutilon indicum, demonstrates significant pain relief properties. This natural compound effectively reduced pain responses in mice through two established pain models, highlighting its potential as an analgesic agent.

Area of Science:

  • Pharmacology
  • Natural Product Chemistry
  • Pain Research

Background:

  • Abutilon indicum is a plant traditionally used for medicinal purposes.
  • Natural products are a rich source of novel therapeutic agents.
  • Understanding the pharmacological properties of plant-derived compounds is crucial for drug discovery.

Purpose of the Study:

  • To isolate and identify bioactive compounds from Abutilon indicum.
  • To evaluate the analgesic activity of the isolated compound, eugenol.
  • To investigate the efficacy of eugenol in established animal models of pain.

Main Methods:

  • Bioactivity-guided fractionation of Abutilon indicum extract.
  • Chemical identification of the active compound as eugenol (4-allyl-2-methoxyphenol).

Related Experiment Videos

  • Assessment of analgesic activity using acetic acid-induced writhing test and radiant heat tail flick test in mice.

    • Main Results:

    • Eugenol significantly inhibited acetic acid-induced writhing in a dose-dependent manner (21.30% at 10 mg/kg, 42.25% at 30 mg/kg, and 92.96% at 50 mg/kg).
    • Eugenol demonstrated a significant increase in tail flicking time (33.40% at 50 mg/kg) in the radiant heat tail flick test.
    • The results indicate potent analgesic effects of eugenol.

    Conclusions:

    • Eugenol, isolated from Abutilon indicum, possesses significant analgesic properties.
    • Eugenol's pain-relieving effects were confirmed in both chemical and thermal pain models.
    • This study supports the traditional use of Abutilon indicum and highlights eugenol as a promising candidate for further development as a natural analgesic.