It was found that the paralysis time of the botulinum intoxicated preparations was markedly prolonged by toosendanin.

• 在作者所用的试验条件下，川楝素均显著地延长肉毒中毒标本对间接刺激收缩反应的麻痹时间，表明川楝素能在神经肌肉接头处对抗肉毒的阻遏作用。