Active centipede extract for suppressing cancer and its extracting process

A centipede extract with cancer-suppressing activity is prepared from coarse centipede powder through extracting in alcohol and defatting, extracting the obtained residue in water at 4-8 deg.C, pressure reducing and concentrating, then freeze drying to obtain powder, column chromatography, eluting with distilled water, collecting colour zone D, partial pressure reducing and concentrating, freeze drying, decolouring the dried powder by activated carbon, column chromatography, eluting with distilled water, UV220 checking, collecting peak No.2, concentrating at 30-40 deg.C, and freeze drying to obtain the effective part D-1.