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大高良姜内酯(galanolactone(1))系从大高良姜(Alpinia galanga)种子中分离得的一种岩蔷薇类双萜内酯,具有一定的抗肿瘤作用和抗真菌活性。其化学结构近已被确定如下:
Galanolactone (1) is a rock-dried diterpene lactone isolated from seeds of Alpinia galanga and has certain anti-tumor and anti-fungal activities. Its chemical structure has been determined as follows: