1.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.
利用筛选出基含量接近1%的材料,选育出基含量超过1%的单株品系3个。
2.Results: 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.