4 . da release from amy of female and ovx rats increased as early as 5min after i . c . v injection of effective contraction of wujibaifengwan at doses of 300 u g / ml , 600 u g / ml 2 . 5 u 1 respectively and returned to the level of control rats within 40min 側(cè)腦室分別注射烏雞白鳳丸有效成分300pg hl , 600119 hl2 5nl ,均能迅速增加內(nèi))雌鼠和ovx鼠電刺激誘發(fā)的amyda釋放量,增高時(shí)間約40min ,并表現(xiàn)出一定的量效關(guān)系。