INDEX 



655 



Coagulated proteins, 95, "5 

 biuret test on, 117 

 digestion of, 117 

 formation of, 116 

 Hopkins-Cole reaction on, 117 

 Millon's reaction on, 117 

 solubility of, 117 

 xanthoproteic reaction on, 117 

 Coagulation of blood, 259 



Howell's theory of, 260 

 Coagulation of proteins, 115 



changes in composition during, 116 

 fractional, 104, 116 



Coagulation temperature of proteins, 104, 116 

 apparatus used in determining, 105 

 method employed in determining, 104 

 Cochineal, use of, 160, 161 



indicator for total phosphates in urine, 569 

 Co-enzyme, 7 



Collagen, 93, in, 349. 3SO 

 experiments on, 350 

 percentage of, in ligament, 352 



in tendon, 349 



production of gelatin from, 350, 351 

 solubility of, 351 

 transformation of, 350, 351 



Collection and preservation of feces in metabo- 

 lism experiments, 621 

 of urine in metabolism experiments, 384, 



598 



Collodion dialyzer, 24 

 Colloidal solution, 330 

 Colloids, 330, 358 



tissue, 358 

 Colostrum, 331, 333, 386 



microscopical appearance of, 331 

 Combined hydrochloric acid (protein salt), 55 



139. 176, 178, 631 

 preparation of, 631 

 tests for, 178 



Combustion of foodstuffs, 618 

 Composition of ccmmon foods (Table), 602 

 Compound test for lactose in urine, 460 

 Congealing-point of fat, 187 

 Congo red, as indicator, 156, 157 



preparation of, 632 



Congo-red fibrin, preparation of, 12, 632 

 Conjugated proteins, 94, in 

 classes of, 94, in 

 nomenclature of, 94, in 

 occurrence of, 94, in 

 Conjugate glycuronates, 26, 434, 456 



naphthoresorcinol reaction for, 456 

 polariscopic-fermentation test for, 456 

 reduction-polariscopic test for, 457 

 Connective tissue, 349 

 Constipation, aid in, 50, 226 

 Copper soap test for lipase, 197 

 Copper sulphate solution, Folin-McEllroy, for 



sugar in urine, 27, 435, 633 

 Cowie's guaiac test, 238 

 Cfeatine, 250, 251, 273, 281, 360, 363, 367, 386 



401, 430, 529 

 crystalline form of, 360 

 diacetyl reaction for, 368 

 formula for, 363 



quantitative determination of, 281, 529 

 separation of, from meat extract, 367 



Creatine, transformation into creatinine, 368 

 Creatinine, 26, 251, 273, 387, 308 



coefficient, definition of, 398, 528 



crystalline form of, 399 



daily excretion of, 399 



elimination, a study of, 607 



experiments on\40O 



formula for, 398 



from creatine, 368 



Jaffe's reaction for, 402 



quantitative determination of, 281, 529 



Salkowski's test for, 402 



separation of, from urine, 400 



Weyl's test for, 402 



Creatinine-zinc chloride, formation of, 400, 402 

 Cresol, para, 215 



tests for, 222 

 Croll's fat apparatus, 343 

 Cross and Sevan's reagent, 48 

 preparation of, 48 

 solubility test, 48 

 Cryoscopy 382 

 Cul-de-sac, 138 

 Cupri-potassium biuret, formation of, 99 



formula for, 99 

 Cyanuric acid, 390 



formula for, 390 



Cylindroids in urinary sediments, 482, 489 

 a-Cyprinine, 66 

 Cystine, 64, 66, 68, 74, 86, 475, 479 



crystalline form of, 75, 479 



detection of, 86, 479 



formula for, 75 



in hair, 86 



in urinary sediments, 475, 479 



preparation of, in crystalline form, 86 

 Cytosine, 124, 125, 127, 132 



Wheeler- Johnson reaction for, 132 



Deaminases, 4 



Decomposition products of proteins, 63, 66, 67, 



68, 70 



crystalline forms of, 71-83 

 experiments on, 84-86 

 isolation of, 84-86 

 Defensive enzymes, 3 

 Deficiencies of diet, 580 



Degradation products of protein (see Decomposi- 

 tion products), 63, 66-68, 70 

 Delusive feeding experiments, 137 

 Derived proteins, 93, 113 

 Detection of preservatives in milk, 340- 

 boric acid and borates, 341 

 formaldehyde, 340 

 hydrogen peroxide, 341 

 salicylic acid and salicylates, 341 

 Determination of acetoacetic acid in blood, 327 



in urine, 552 

 acetone in blood, 327 

 in urine, 552, 557 

 and diacetic in blood, 327 

 in urine, 552 



acetone bodies in urine, 552 

 acidity of urine, by titration, 499 



by hydrogen ion concentration, 500 

 albumin in urine, 550 

 "alkali reserve" of the blood, 311-325 

 alkali tolerance, 325 



