Studies on Amino Acids. II

The enzymatic procedures for the resolution of dl-lysine such as asymmetric synthesis of acyl l-lysinc anilide and acyl dl-lysines have been studied. As a result, the procedure consisting in the enzymatic asymmetric hydrolysis of ε-benzoyl-α-acctyl-dl-lysine was found to be the most advantageous for the resolution of dl-lysine.     

Studies on camel semen. II. Biochemical characteristics

The mean concentrations of fructose, citric acid, total proteins and lipids in the seminal plasma of camel were 23.5±2.5, 9.8±2.9, 775±15 and 87±32 mg/ml respectively. The corpus prostatae seemed to be the principal source of fructose and citric acid, smaller amounts are contributed by the bulbourethral glands, ampulla ductus deferentis and pars disseminata of the prostate. Electrophoretic fractionation of seminal plasma proteins by capillary isotachophoresis revealed eight protein bands similar to those of blood serum. Electrofocusing in polyacrylamide gels on the other hand showed the presence of eighteen fractions with minor variations from fractions obtained from blood serum.