Hao Liang, Cuijuan Li, Qipeng Yuan and Frank Vriesekoop. Application of High-Speed Countercurrent Chromatography for the Isolation of Sulforaphane from Broccoli Seed Meal (англ.) // J. Agric. Food Chem.[англ.] : journal. — 2008. — Vol. 56. — P. 7746—7749. — doi:10.1021/jf801318v.
Hao Liang, Cuijuan Li, Qipeng Yuan and Frank Vriesekoop. Application of High-Speed Countercurrent Chromatography for the Isolation of Sulforaphane from Broccoli Seed Meal (англ.) // J. Agric. Food Chem.[англ.] : journal. — 2008. — Vol. 56. — P. 7746—7749. — doi:10.1021/jf801318v.