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Increase in the HR in response to 300 mg/kg dose of hexanic, methanolic, and aqueous-ethanolic extracts in hypertensive rats. Negative control group received vehicle (saline or paraffin). Statistical analysis showed a significant difference between all treatment groups (hexanic, methanolic, and aqueous-ethanolic extracts) and negative control groups. **P<.01, ***P<.001.
