626 



INDEX 



lodoform test for alcohol, 42 



for acetone (Lieben), 437 

 lodothymol compound, 437 

 "lothion," 30, 421 



Iron, reduced, influence on color of feces, 238 

 in blood, 261 



detection of, 261 

 in bone ash, 338 



detection of, 338 

 in protein, 63 

 in urine, 410, 562, 591 

 detection of, 410 

 determination of, 591 

 Isoleucine, 65, 80 

 Isomaltose, 19, 40 

 Isopropylmetacresol (see Thymol) 

 Isovalerianic acid, 214 



Jacoby-Solms method, 167 



Jaffe's reaction for creatinine, 382 



Jaffe's test for indican, 387 



v. Jaksch-Pollak reaction for melanin, 452 



Jejunum, epithelial cells of, 185 



Jolles' reaction for indican, 388 



Juice, gastric, 138, 150 



pancreatic, 185 



intestinal, 195 



Kantor and Gies's biuret paper, 100 

 Kastle's peroxidase reaction, 320 

 Kephalin, 353, 355 

 Kephyr, 40 

 Keratin, 93, 112, 330 

 experiments on, 331 

 solubility of, 330 

 sources of, 330 

 sulphur content of, 330 

 Ketone, 25 

 Ketose, 19 



Kidney efficiency test, 455 

 Kjeldahl method for determination of nitrogen, 



483 



Kjeldahl-Folin-Farmer nitrogen method, 485 

 Knoop's color reaction for histidine, 78 

 Konto's reaction for indole, 218 

 Koumyss, 40 



Kraut's reagent, preparation of, 602 

 Kreosotal, 443 



Kruger and Schmidt's method for the quantita- 

 tive determination of pu- 

 rine bases, 513 

 of uric acid, 513 



Kwilecki's modification of Esbach's method, 532 

 Kynurenic acid, 369, 395 

 formula for, 395 

 isolation of, from urine, 395 

 quantitative determination of, 395 



Laccase, 5 



Lactalbumin, 93, 313, 318 



quantitative determination of, 329 

 Lactase, 4, 196, 200 



experiments on, 200 

 Lactic acid, 40, 170, 342 



ether-ferric chloride lest (Strauss) for, 170 



fermentation, 40, 314 



ferric chloride test (Kelling) for, 170 



Hopkins' thiophene reaction for, 171 



Lactic acid in muscular tissue, 342 

 in stomach contents, 170 

 tests for, 170 

 Uffelmann's test for, 170 

 Lactochrome, 319, 399 

 Lacto-globulin, 313, 318 

 Lactometer, determination of specific gravity of 



milk by, 324 



Lactosazone, crystalline form of, Plate III, oppo- 

 site p. 22 



Lactoscope, Feser's, 326 

 Lactose, 19, 40, 318 



experiments on, 40 



fermentation of, 40, 318 



in urine, 412, 444 



quantitative determination of, 329 

 Laiose in urine, 451 

 "Laked" blood, 245, 261 

 Laky blood, 261 

 Lanolin, 178, 188 

 Laurie acid, 313 

 Leach's hydrochloric acid test for formaldehyde, 



323 

 Lecithin, 94, 247, 353 



acrolein test on, 356 



decomposition of, 354 



experiments on, 356 



formula for, 354 



microscopical examination of, 356 



osmic acid test on, 356 



preparation of, 356 



test for phosphorus in, 356 

 Lecithoproteins, 94, 114 

 Legal's reaction for indole, 218 



test for acetone, 437 

 Le Nobel reaction for diacetic acid, 439 

 Lenzmann-Kober nephelometer, cut of, 293 

 Leucine, 67, 69, 79. 85, 87 



crystalline form of impure, 463 

 pure, 80 



experiments on, 87 



formula for, 79 



in urinary sediments, 463 



microscopical examination of, 87 



separation of, from tyrosine, 86 



solubility of, 87 



sublimation of, 87 

 Leucocytes, 245, 255 



counting the, 306 



number of, per cubic millimeter, 255 



size of, 255 



variation in number of, 255 

 Leucocytosis, 255 

 Leucosin, 103 



Leucyl-alanyl-glycine, formation of, 70 

 Leucyl-glycyl-alanine, 57 

 Leucyl-leucine, formation of, 70 

 Levo-er-proline, 83 



Levulosazone, crystalline form of, Plate III, op- 

 posite p. 22 



Levulose, (see Fructose), 19, 34 

 Lichenin, 20, 47 

 Lieben's test for acetone, 437 



Lieberkiihn's jelly (see Alkali metaprotein, p. 116) 

 Liebermann-Burchard testfor cholesterol, 210, 357 

 Liebermann's reaction, 100 

 Linoleic acid, 177 

 Lipase, gastric, 139, 143 



