extract of Asparagus sprengeri roots and characterized as 3-O-[β- D -xylo-(1 → 4)-β- D -gluco]-(25R)-spirost-5-en-3β-ol; 3-O-[α- L -rhamno-(1 → 6)-β- D -gluco]-(25R)-spirost-5-en-3β-ol; 3-O-[α- L -rhamno-(1 → 2)] [β- D -xylo-(1 → 4)]-β- D -gluco}-(25R)-spirost-5-en-3β-ol and 3- O-[α- L -rhamno-(1 → 2)] [α- L -rhamno-(1 → 6)]-β- D -gluco}-(25R)-spirost-5-en-3β-ol respectively.
摘要 从芦笋根的甲醇提取物中分离出四种新的螺甾烷苷,其特征为 3-O-[β- D -xylo-(1 → 4)-β- D -gluco]-(25R)-spirost-5-en -3β-醇;3-O-[α-L-鼠李糖-(1 → 6)-β-D-葡萄糖]-(25R)-spirost-5-en-3β-ol;3-O-[α- L -rhamno-(1 → 2)] [β- D -xylo-(1 → 4)]-β- D -gluco}-(25R)-spirost-5-en-3β -ol和3-O-[α-L-鼠李糖-(1→2)][α-L-鼠李糖-(1→6)]-β-D-葡萄糖}-(25R)-spirost-5- en-3β-ol 分别。