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Representative chromatograms of the fractions containing free steroids from diethyl ether extracts obtained from control and elicited KT line hairy roots. 1, cholesterol; 2, campesterol; 3, stigmasterol; 4, sitosterol; 5, isofucosterol; 6, campestanol; 7, tremulone; 8, sitostenone; 9, stigmastanedione; IS, internal standard (5β-cholestan-3α-ol).
