Tigogenin was separated completely from the crude sapogenins by macroporous resin column chromatography,only simple solvent Ilelute was used in the column of the separate process.

用大孔树脂为吸色谱方法在分过程中仅需要简单溶-Ⅱ,分出单一组分剑麻皂甙元占粗皂甙元比率高70%。

After the dormancy in whole winter, the stem color would be changed into fulvous. 3 single lines with over 1% steroid sapogenin have been selected from those lines with near 1% steroid sapogenin.

利用筛选出皂苷配基含量接近1%材料，选育出皂苷配基含量超过1%单株品系3个。