studies on procedures to remove steroids , such as ethyl acetate extraction and charcoal : dextran adsorption , showed that adsorption of the culture medium with 0.5 to 1.0 % charcoal and 0.05 to 0.1 % dextran , respectively , was the optimal method to eliminate most of the steroids in the medium without a detrimental effect on inhibin activity .
C0086140
dextran
C0717685
1