662 



INDEX 



Hydrolysis of sucrose, 40, 41 

 /9-Hydroxybutyric acid, 273, 305, 306, 310, 430 



450, 454, 552, 554 

 Black's reaction for, 455 

 formula for, 455 

 in blood, 273, 306 

 origin of, 455 



polariscopic examination for, 456 

 quantitative determination of, in urine. 



552, 554 



Hydroxymandelic acid, 386, 412 

 Hydroxyproline, 64, 66, 84 

 Hyperacidity, 139, 167 



curve, 167 



Hypercholesterolemia, 250, 273, 292 

 Hyperglycemia, 273, 598 



produced by carbohydrate ingestion, 598 

 by physical exercise, 600 

 Hypoacidity, 139 



Hypobromite solution, preparation of, 635 

 Hypochlorite-orcinol reaction for glycerol, 186 

 Hypoxanthine, 126, 358, 361, 364, 387, 419 

 chloride, crystalline form of, 135 

 formula for, 126, 364 

 oxidase, 126 



Hypoxanthine silver nitrate, crystalline form of, 

 369 



Ichthulin, 94 

 Ignotine, 358, 364 



formula for, 364 

 Imid bonds, 69 



imid nitrogen, 63 

 I minazolylethy lamine ,217 

 Iminazolylpropionic acid, 217 

 Index of acid excretion in urine, determination of, 



324 

 Indican, 215, 403, 558 



formula for, 215, 404 

 Jaffe's test for, 404 

 Jolles' reaction for, 405 

 Obermayer's test for, 405 

 origin of, 215, 404 

 Indicator method for determination of hydrogen 



ion concentration, 161, 500 

 solutions, preparation of, 161 



use of, 161 



Indicators, experiments on, 154 

 table of, 156, 161 



tabulation of results of tests on, 157 

 use of, 154 



in gastric analysis, 154 

 Indigo-blue, 212, 405 



formula for, 212, 405 



Indigo carmine test for sugar in urine, 437 

 Indigo in urinary sediments, 473, 481 

 Indole, 211, 217, 221, 240, 245 

 formula for, 211 

 in feces, quantitative determination of, by 



Bergeim's method, 245 

 origin of, 211 

 test for, 221, 240 



/3-Indole-a-amino-propionic acid, 67. ?6 

 Indolylacetic acid, 217, 467 

 Indolylpropionic acid, 217 

 Indoxyl, 215 



formula for, 215, 405 

 origin of, 215 



Indoxyl, potassium sulphate (see Indican, p. 215, 



404, 558) 

 Indoxyl-sulphuric acid, 215, 386, 402 



formula for, 215, 403 

 Influence of purine-free and high purine diets, 



604 



Infraproteins (see Metaproteins, 94, 114, 115) 

 Inorganic elements in feces, absorption of, 624 



physiological constituents of urine, 387, 402 

 Inosinic acid, 358, 364 



formula for, 364 

 Inositol, 19, 358, 430, 465 

 formula for, 465 

 in urine, 430, 440, 465 

 Intestinal digestion, 198 

 juice, 198 



enzymes of, 198, 199, 200-204 



preparation of, 200204 

 Inulase, 4, 45 

 Inulin, 20, 45 



action of amylolytic enzymes on, 45 

 Fehling's test on, 45 

 hydrolysis of, 45 

 iodine test on, 45 

 reducing power of, 45 

 solubility of, 45 

 sources of, 45 

 Inversion, 40, 42 



Invertase (see Sucrase, 4, 40, 198, 202) 

 Invertases, experiments on, 202 

 Invertin (see Sucrase, 4, 40, 198, 202) 

 Inverting enzymes, 3, 198, 202 

 Invert sugar, 40 

 Iodide of dextrin, 44 



of starch, 46 

 Iodine absorption test, 186 



test for starch and dextrin, 44, 45, 46, 48 



50, 55 



for urobilin, 418 



Iodine-sulphuric acid test for cholesterol, 213, 374 

 lodine-zinc-chloride reaction, 48 

 lodoform test for alcohol, 30 



for acetone (Lieben), 451 

 lodothymol compound, 451 

 "lothion," 28, 437 



Iron, reduced, influence on color of feces, 241 

 in blood, 264 



detection of, 264 

 in bone ash, 355 



detection of, 355 

 in protein, 62 

 in urine, 429, 577 



detection of, 429 

 determination of, 577 

 Isoleucine, 64, 79 

 Isomaltose, 19, 39 



Isopropylmetacresol (see Thymol, 384) 

 Iso valeric acid, 217 



Jacoby-Solms method, 170 



Jaffe's reaction for creatinine, 402 



Jaffe's test for indican, 404 



v. Jaksch-Pollak reaction for melanin, 466 



Jejunum, epithelial cells of, 188 



Jolles' reaction for indican, 405 



Juice, gastric, 137, ISO 



pancreatic, 188 



intestinal, 198 



