Sulforaphene, a kind of isothiocyanates, derived from glucoraphenin which is the important ingredient of
radish (Raphanus sativus L.) seeds, has shown significant pharmacological activities. In this paper, the separation
and purification of sulforaphene from radish seeds, was achieved by high-speed countercurrent
chromatography (HSCCC). A two-phase solvent system consisted of n-hexane–ethyl acetate–methanol–
water (35:100:35:100, v/v/v/v) was applied. The revolution speed of the separation column, flow rate
of the mobile phase and separation temperature were 800 rpm, 2 ml/min and 30 C, respectively. From
about 1000 mg amount of the crude plant extract, 249.4 mg of pure sulforaphene was obtained by
one-step separation on a 280 ml HSCCC column. The purified sulforaphene was at a high purity of
96.9% and the mass recovery was more than 95%. The purity of sulforaphene was determined by
Sulforaphene, a kind of isothiocyanates, derived from glucoraphenin which is the important ingredient ofradish (Raphanus sativus L.) seeds, has shown significant pharmacological activities. In this paper, the separationand purification of sulforaphene from radish seeds, was achieved by high-speed countercurrentchromatography (HSCCC). A two-phase solvent system consisted of n-hexane–ethyl acetate–methanol–water (35:100:35:100, v/v/v/v) was applied. The revolution speed of the separation column, flow rateof the mobile phase and separation temperature were 800 rpm, 2 ml/min and 30 C, respectively. Fromabout 1000 mg amount of the crude plant extract, 249.4 mg of pure sulforaphene was obtained byone-step separation on a 280 ml HSCCC column. The purified sulforaphene was at a high purity of96.9% and the mass recovery was more than 95%. The purity of sulforaphene was determined by
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