Asterosaponin from Luidia quinaria at the coast of Yantai was prepared separately by extration with methanol or ethanol, the yields were 0. 12 g and 0. 13 g from 100 g dried material, respectively.

• 采用甲醇提取法和乙醇提取法从砂海星提取了海星总皂甙；其产率分别为0.；12%25和0