The proteins of grasses

Abstract

IN the preliminary paper of this series The yield of protein obtained however varied greatly and in most cases was disappointingly small. Many experiments were made to find out the inherent weakness of the method employed, and one of them (Exp. 4) described in the preliminary paper suggested that the ultimate yield of protein could be enhanced two-or three-fold if the grass, instead of being treated as soon as possible after cutting, was first of all set aside for about 8 hours, as though some change affecting the "aggregation" of the leaf proteins took place during this short period, thereby enabling them to disperse more readily into colloidal solution at the appropriate stage in the preparation. At the same time it was clearly pointed * From plots which had not received a dressing of ammonium sulphate.