Preparative Purification of Liriodendrin from Sargentodoxa cuneata by Macroporous Resin

Table 4

The purities and recoveries of liriodendrin in the two-step purification.

Step	Purity (%)	Recovery (%)	Yield (mg)
Crude extract	0.85	—	—
X-5 resin	41.42	88.9	201.3^a
Crystallization	97.48	63.7	270.7^b

^aThe amount of refined sample was obtained from 55 g raw material in the X-5 resin treatment.
^bThe amount of liriodendrin was obtained from 1000 mg refined sample by crystallization.