Pharmacological activities of gutenburgia cordifolia
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A methanol extract of Gutenburgia cordifolia showed a greater fall in diastolic than systolic blood pressure in anaesthetised rats. The plant extract produced cardiodepressant activity on isolated rabbit heart and caused contraction on isolated rabbit ileum. The contraction was re¬duced but not abolished with atropine. On isolated guinea pig ileum, the contraction was abolished by atropine, the presence of an acetylcholine-like compound in the plant extract is indicated.