The content was 12.5%.The purity was more than 98.5% by HPLC preparation.Squalene is identified by IR, 1H-NMR, 13C-NMR, MS in the S. grosvenorii seed oil.

• 经柱层析、HPLC制备后得纯度为98.；5%25的化合物单体，经IR、1H-NMR、13C-NMR、MS检测，确认罗汉果种仁油中含有角鲨烯。