INDEX. 



441 



Products of protein hydrolysis, 63, 67 

 Prolamins, 105 



classification of, 87, 88 

 Proline, 63, 80, 105, 141 



crystalline form of laevo-a-, 80 

 crystalline form of copper salt of, 81 

 Prosecretin, 140 

 Protagon, 248, 249 



preparation of, 250 

 Protamines, classification of. 86 

 Proteans, 87, 108 

 Protease, gastric, 9 



experiments on, 9 

 pancreatic, 9 



experiments on, 9 

 vegetable, 10 

 Proteases, 9 



experiments on, 9 

 Proteins, 61 



acetic acid and potassium ferro- 



cyanide test for, 99 

 Acree-Rosenheim test on, 93 

 action of alkaloidal reagents on, 97 

 action of metallic salts on, 97 



mineral acids, alkalies and or- 

 ganic acids on, 96 

 Adamkiewicz reaction on, 91 

 Bardach's reaction on, 94 

 biuret test on, 91 

 chart for use in review of, 117 

 chemical composition of, 61 

 classification of, 85, 86, 88 

 coagulation or boiling test for, 99 

 color reactions of, 90 

 conjugated, 87, 89, 106 

 decomposition of, 62 

 by hydrolysis, 63 

 by oxidation, 63 

 products of, 63 



experiments on, 82 

 separation of, 82 

 study of, 63, 82 

 derived, 87 



formation of fat from, 134 

 formulas of, 62 

 Heller's ring test on, 97 

 importance of, to life, 61 

 Hopkins-Cole reaction on, 91 

 in urine, 305, 313 

 test for, 314 



Liebermann's reaction on, 93 

 Millon's reaction on, 90 

 molecular weights of, 62 

 Posner's reaction on, 93 

 precipitation of, by alcohol, 100 

 alkaloidal reagents, 97 

 metallic salts, 97 

 mineral acids, 96 

 precipitation reactions of, 95 

 quantitative determination of, in 



milk, 412 

 review of, 115 

 Robert's ring test on, 97 

 salting-out experiments on, 99 

 scheme for separation of, 116 

 simple, 86, 89 



Proteins, synthesis of, 66 



xanthoproteic reaction on, 91 

 Proteins, coagulated, in 



biuret test on, 112 

 formation of, 1 1 1 

 Hopkins-Cole reaction on, 112 

 Millon's reaction on, 112 

 solubility of, in, 112 

 xanthoproteic reaction on, 112 

 Protein-coagulated enzymes, 3, 121, 219 

 Proteins, conjugated, 87, 106 

 classes of, 87, 106 

 experiments on, 195, 196, 199, 



201, 203, 223 

 nomenclature of, 87, 106 

 occurrence of, 106 

 Protein-cystine, 73 

 Protein derivatives, primary, 63, 108 



secondary, 63, 113 

 Proteins of milk, 218, 220, 221 



quantitative determination of, 



412 



Proteolytic enzymes (see Proteases, p. 9) 

 Proteolysis, peptic, 120 



tryptic, 121 

 Proteose, 63, 88, 89, 113 



v. Aldor's method for detection of, 



320 



biuret test on, 115 

 coagulation test on, 115 

 deutero, 88, 89, 113 

 differentiation of, from peptone, 114 

 experiments on, 115 

 hetero, 89, 113 

 in urine, 305, 313, 319 



test for, 319 

 potassium ferrocyanide and acetic 



test on, 1 15 



powder, preparation of, 114 

 precipitation of, by nitric acid, 115 

 by picric acid, 115 

 by potassio mercuric iodide, 115 

 by trichloracetic acid, 115 

 primary, 114 

 proto, 88, 89, 113 

 Schulte's method for detection of, 



319 



secondary, 114 



separation of, from peptones, 114 

 Protoproteose, 88, 89 

 Proteoses and peptones, 88, 89, 113 

 separation of, 114 

 tests on, 114 

 Proteose-peptone, 114 



Proteose-peptone, coagulation test on, 114 

 experiments on, 114 

 Millon's reaction on, 114 

 precipitation of, by nitric acid, 114 



by picric acid, 114 

 Prothrombin, 191, 192 

 Pseudo-globulin, 182, 183, 236 

 Ptomaines and leucomaines in urine, 265, 



294 



Ptyalin (see Salivary amylase, 54) 

 Purdy's method for determination of dex- 

 trose, 370 



