目的比较pH 1盐酸溶液条件下阿莫西林原料药与黏膜黏附微球中阿莫西林稳定性,考察阿莫西林黏膜黏附微球(Amo-Cb-Ec)与阿莫西林乙基纤维素微球(Amo-Ec)体内外黏膜黏附效果.方法用乳化-溶媒蒸发法制备Amo-Cb-Ec和AmoEc;以高效液相色谱法测定Amo-Cb-Ec中阿莫西林及阿莫西林原料药在pH 1条件下稳定性;分别以拉力法和冲洗法考察AmoCb-Ec与离体大鼠肠黏膜和胃黏膜表面的