INDEX 



669 



Proteins, quantitative determination of, in milk, 

 345, 346 



review of, 120 



Robert's ring test on, 103 



salting-out experiments on, 104 



salts of, 10 1 



scheme for separation of, 121 



simple, 93, 95, 96 



Spiegler's ring test for, 103, 440 



synthesis of, 65, 70 



xanthoproteic reaction on, 98 

 Proteolysis, peptic, 141 



tryptic, I4ij 189 



Proteolytic enzymes (see Proteases, p. 12) 

 Proteose, 63, 93, 95. ir? 



v. Aldor's method for detection of, 443 



biuret test on, 119 



coagulation test on, 119 



deutero, 93, 95, 119 



differentiation of, from peptone, 119 



experiments on, 118, 119 



hetero, 94, 119 



in urine, 430, 442 

 test for, 443 



potassium ferrocyanide and acetic test on, 

 119 



powder, preparation of, 119 



precipitation of, by nitric acid, 119 

 by picric acid, 119 

 by potassio-mercuric iodide, 119 

 by trichloracetic acid, 119 



primary, 119 



proto, 94, 95, 119 



Schulte's method for detection of, 443 



secondary, 119 



separation of, from peptones, 119 

 Protoproteose, 94, 95, 119 

 Proteoses and peptones, 94, 95, 118, 119 

 separation of, 119 

 tests on, 119 

 Proteose-peptone, 118 

 Proteose-peptone, coagulation test on, 119 



experiments on, 118 



Millon's reaction on, 118 



precipitation of, by nitric acid, 119 



by picric acid, 119 

 Prothrombin, 259, 260 

 Pseudo-globulin, 249 



Psychical stimulation of gastric secretion, 148 

 Ptomaines and leucomaines in urine, 387, 419 

 Ptyalin (see Salivary amylase, i, 4, 10, 54, 190) 

 Purinases, 126, 133 



experiments on, 133 

 Purine bases, 124, 125, 131, 358, 364, 387, 419, 



533, 607 

 formulas for, 126, 364 



in urine, quantitative determination of, 533 

 tests on, 131, 132 



content of foods, 605 



excretion, rate of, 607 



oxidases, 5, 126, 133 

 Purines, amino, 126, 131 



oxy, 126, 131 



Purine-free and high purine diets, influence of, 604 

 Pus casts in urinary sediments, 482, 489 

 Pus cells in urinary sediments, 482, 483 



in urine, 447 



tests for, 447, 448 



Putrefaction, control of, by carbohydrate, 216 



indican as an index of, 215, 404 

 Putrefaction mixture, preparation of a, 217 

 products, 215 



experiments on, 217 



most important, 215 



tests for, 221 

 Putrescine, 215 

 Pyloric glands, 137 

 Pyrimidine bases, 124, 125, 127 



experiments on, 132 



formulas for, 127 



Pyrocatechol-sulphuric acid, 386, 404 

 a-pyrrolidine-carboxylic acid (see Proline, pp. 64, 



66, 67, 82, no, 141, 189) 

 Pyuria, 447 



Quadriurate, 478 



Qualitative analysis of the products of salivary 



digestion, 59 



Quantitative analysis of blood, 273 

 of gastric juice, 150 

 of milk, 341 

 of urine, 496 



Quevenne lactometer, determination of specific 

 gravity of milk by, 341 



Raffinose, 19, 41 



Rancid fat, 181 



Rats, white, experiments on, 580 



Raw and heated milk tests, 338 



Reaction of the urine, 378, 424, 499, 613 



Reagents and solutions, 627 



Reduced alkali-hematin, 302 



Reduced hemoglobin, 300 



Reductases, 337 



Regurgitation, automatic regulation of gastric 



acidity by, 149 

 Rehfuss stomach tube, cut of, 151 



use of, 151, 162 

 Reichert's method for crystallization of oxy- 



hemoglobin, 269 

 Reinsch test for arsenic, 464 



for mercury, 465 

 Remont's method for detection of salicylic acid 



and salicylates, 341 

 Rennin, gastric, 138, 142, 147, 331, 338 



action of, upoh casein, 142, 147, 331, 338 



experiments on, 147, 338 



influence of, upon milk, 147, 338 



in gastric juice, absence of, 142 



nature of action of, 142, 331 



occurrence of, 142 

 Rennin, pancreatic, 5, 192, 197 



experiments on, 197 

 Rennin-pepsin controversy, 142 

 Resorcinol-HCl reaction, 34, 462 

 Respiration, chemistry of, 258 

 Respiratory exchange, determination of, 328 

 Retention meal in gastric analysis, 164 

 Reticulin, in 



Reversibility of enzyme action, 8, 56 

 Rhamnose, 19, 37 



Rhubarb, influence of, on color of feces, 241 

 d-ribose, in nucleoprotein, 123 

 Ricin, 13, 265 

 Rigor mortis, 357, 358 



