Process for the preparation of epidermal growth factor and new derivative using cross-linked polyacrylamide gel at a pH of 1-3

摘要

A new procedure has been devised for the preparation of pure epidermal growth factor (EGF) in high yield which involves passing homogenates of submaxillary glands of adult male mice through a polyacrylamide gel column of a low acid pH. Preferably a two step procedure is used wherein the fraction obtained from the polyacrylamide gel chromatography is subjected to DEAE-cellulose chromatography.