DA release from Amy of female and OVX rats significantly increased in 5min after i.c. v injection of soy isoflavones at a dosage of 66.7 u g/kg and declined to the control level within 20min.

• 侧脑室注射大豆异黄酮（66.；7 v n/kn）也在注射后 smin内使雌鼠和OVX鼠的Amy DA释放量明显增加，20min后恢复到对照组水平。