a highly active form of wheat germ agglutinin ( wga ) was isolated by affinity chromatography on a partially acid hydrolyzed chitin column after extraction of the wheat germ with 0.5 m formic acid and removal of the denatured or water insoluble wga by dialyzing against distilled water before and after affinity chromatography .
C0043047
water
C0790233
distilled water