从印楝植物内生真菌棘孢曲霉(Aspergillus aculeatus)YM311498的发酵液提取物中分离得到4个化合物,通过波谱技术分别鉴定为大黄酚(1)、大黄素(2)、琥珀酸(3)、柠檬酸二甲酯(4),以上化合物均为首次从该种真菌中分离得到。
Four compounds were obtained from the broth extract of an endophytie fungus Aspergillus aculeatus YM 311498, isolated from Azadirachta indica A. Juss. Their structures were identified to be ehrysophanol (1) , emodin (2) , sueeinie acid(3 ) and 1,5-dimethyl citrate(4) by speetral methods. All of them were isolated from the fungus Aspergillus acu/eatus for the first time.