Separation of α-amylase inhibitors from Abelmoschus esculentus (L).Moench by on-line two-dimensional high-speed counter-current chromatography target-guided by ultrafiltration-HPLC.

Separation of α-amylase inhibitors from Abelmoschus esculentus (L).Moench by on-line two-dimensional high-speed counter-current chromatography target-guided by ultrafiltration-HPLC.