Isolation of Ecdyson from Vitex Fiherii
Recycle analysis of ecdyson from vitex fiherii was performed using Asahipak 
GS-320 
20G ( a multimode column ).

Sample : 
Ecdysone
Column    : Shodex Asahipak GS-320 20G (20.0mmID*500mm)
Eluent    : CH3OH
Flow rate : 3mL/min
Courtesy of Dr. Kubo, University California, Berkley