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Representative chromatograms of the fractions containing free steroids from diethyl ether extracts obtained from control and cadmium-treated hairy roots after 3 and 14 days: 1, cholesterol; 2, campesterol; 3, stigmasterol; 4, sitosterol; 5, sitostanol; 6, isofucosterol; 7, β-amyrin; 8, α-amyrin; 9, tremulone; 10, 24-methylenecycloartanol.
