ヤギとラットの血中,肝臓中の遊離アミノ酸の観察

抄録

The free amino acids in the plasma or serum of goat and rat were investigated by using ion-exchange chromatography. The free amino acids in the liver of the both animals were also investigated. In general, the pattern of the free amino acids in the plasma or serum were found to be similar to each other. However, the concentration of free glycine was significantly higher in goats than in rats and that of threonine was conversely lower in goats than in rats in the case of plasma. And the concentration of leucine was very similar to that of isoleucine in goats, but the former was higher than the latter in rats.
The concentration of most free amino acids in the liver was remarkably high compared with that in the plasma. The concentration of ornithine was higher than that of lysine and the concentration of arginine was very low in the both animals in the liver.
From the observation on the free amino acids in the content of the intestine, the portal blood, the liver, and the jugular vein, it is thought that serine may be actively used for the biosynthesis of phospholipid.