抄録
1. By using the method of paper partition chromatography, the existence of arginine and octopine in fresh pyloric coeca-extract was ascertained.
2. But, in the extract of the pyloric coeca stored for one month at -4°C, the following six guanidine compound were found; methyl guanidinc, arcaine, agmatine, arginine, octopine and glycocyamine.
