The Root-Tuber Trypsin Inhibitor of Winged Bean and Its Anti-cancerous Activity Against Osteosarcoma Cell-Line.

Trypsin inhibitor from the root-tuber of underutilized legume Winged bean (Psophocarpus tetragonolobus (L.) DC.) (WbT-TI) was purified using ion exchange chromatography followed by size-exclusion chromatography.