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Prosopis cineraria: a potential nootropic agent.

Bhawani Singh Bithu1, N Ranga Reddy, Satyendra K Prasad

  • 1Department of Pharmaceutics, Institute of Technology, Banaras Hindu University, Varanasi, India.

Pharmaceutical Biology
|August 22, 2012
PubMed
Summary
This summary is machine-generated.

Prosopis cineraria extract significantly enhances memory in rats by improving spatial tasks and inhibiting acetylcholinesterase (AChE) in the brain. This study scientifically validates its traditional use for cognitive disorders.

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Area of Science:

  • Neuroscience
  • Pharmacology
  • Ethnobotany

Background:

  • Prosopis cineraria (L.) Druce, a Thar Desert plant, is traditionally used for memory enhancement.
  • Local communities utilize P. cineraria to treat cognitive disorders and mental clarity issues.

Purpose of the Study:

  • To scientifically validate the nootropic (memory-enhancing) activity of P. cineraria.
  • To investigate the anticholinesterase activity of P. cineraria extracts in discrete brain regions to understand its mechanism of action.

Main Methods:

  • Methanol extract of P. cineraria stem bark was administered to rats daily for 7 days.
  • Rats were assessed for spatial reference memory (SRM) and spatial working memory (SWM) using the Morris water-maze (MWM) test.
  • Acetylcholinesterase (AChE) inhibition was measured in rat brain regions (prefrontal cortex, hippocampus, amygdala).

Main Results:

  • P. cineraria extract significantly improved both SRM and SWM in rats at tested doses.
  • A dose-dependent improvement in memory was observed, with a ceiling effect at 400 mg/kg.
  • The extract significantly inhibited AChE activity in the hippocampus, prefrontal cortex, and amygdala.

Conclusions:

  • P. cineraria extract demonstrates significant nootropic activity.
  • The memory-enhancing effects are likely mediated by the inhibition of acetylcholinesterase in the brain.