INDEX 



66 3 



Kafirin, no 



Kantor and Gies's biuret paper, 100 



Kastles peroxidase reaction, 338 



Kephalin, 370, 372 



Kephyr, 39 



Keratin, 93, in, 348 



composition of, from different sources, 348 

 experiments on, 349 

 solubility of, 349 

 sources of, 348 

 sulphur content of, 348 

 Ketone, 19, 24 

 Ketose, 19 



Kidney efficiency test, 470, 471 . 

 Killian, carbohydrate tolerance test, 290 

 Kjeldahl method for determination of nitrogen, 



504 



Kjeldahl-Folin- Farmer nitrogen method, 506 

 Knoop's color reaction for histidine, 77 

 Kober nephelometer-colorimeter, 297 

 Konto's reaction for indole, 221 

 Koprosterol in feces, 227, 228, 235 

 Koumyss, 39 



Kraut's reagent, preparation of, 375, 636 

 Kreosotal and tests for pentose, 458 

 Kruger and Schmidt's method for the quantita- 

 tive determination of pu- 

 rine bases, 533 

 of uric acid, 533 



Kwilecki's modification of Esbach's method, 55 1 

 Kynurenic acid, 386, 412 

 formula for, 412 

 isolation of, from urine, 412 

 quantitative determination of, 412 



Laccase, 5 



Lactalbumin, 93, 336, 339, 346 



quantitative determination of, 346 

 Lactase, 4, 198, 199, 203 

 experiments on, 203 

 lactation, variation in milk during different 



stages of, 334 



Lactic acid, 39, 139, 162, 172, 330, 358, 359 

 Lactic acid, ether-ferric chloride test (Strauss) 

 for, 172 



fermentation, 39, 330 

 ferric chloride test (Kelling) for, 173 

 Hopkins' thiophene reaction for, 173 

 in muscular tissue, 358, 359 

 in stomach contents, 172 

 tests for, 172 

 Uffelmann's test for, 173 

 Lactochrome, 336, 417 

 Lacto-globulin, 336 

 Lactometer, determination of specific gravity of 



milk by, 341 



Lactosazone, crystalline form of, Plate III, oppo- 

 site p. 22 



Lactoscope, Feser's, 344 

 Lactose, 19, 39, 329, 335, 340, 347 



differentiation from lactose, 40, 438 

 experiments on, 39, 340 

 fermentation of, 39, 335 

 in urine, 430, 459 



quantitative determination of, 346, 540 

 Laiose in urine, 466 

 "Laked" blood, 248, 264 

 Laky blood, 264 



Lanolin, 181, 151 



Laurie acid, 329 



Leach's hydrochloric acid test for formaldehyde, 



340 

 Lecithin, 94, 250, 370 



acrolein test on, 373 



decomposition of, 371 



experiments on, 373 



formula for, 371 



microscopical examination of, 373 



osmic acid test on, 373 



preparation of, 373 



test for phosphorus in, 373 

 Lecithoproteins, 94, 113 

 Legal's reaction for indole, 221 



test for acetone, 452 



Le Nobel reaction for acetoacetic acid, 453 

 Leucine, 66, 68, 78, 84, 86 



crystalline form of impure, 480 

 pure, 79 



experiments on, 86 



formula for, 78 

 in urinary sediments, 480 



microscopical examination of. 86 



separation Of, from tyrosine, 85 



solubility of, 86 



sublimation of, 86 

 Leucocytes, 248, 258 



number of, per cubic millimeter, 258 



size of, 258 



variation in number of, 258 

 Leucocytosis, 258 

 Leucosin, 102 



Leucyl-alanyl-glycine, formation of, 69 

 Leucyl-glycyl-alanine, 56 

 Leucyl-leucine, formation of, 69 

 Levo-a-proline, 82 



Levulosazone, crystalline form of, Plate III, op- 

 posite, p. 22 



Levulose (see Fructose), 19, 34 

 Lewis and Benedict's method for sugar in blood, 



Benedict's modification of, 287 

 Lichenin, 20, 46 

 Lieben's test for acetone, 452 

 Lieberktihn's jelly (see Alkali metaprotein, p. 115) 

 Liebermann-Burchard test for cholesterol, 213, 



374 



Linoleic acid, 180 

 Lipase, gastric, 138, 142 

 Lipase, pancreatic, 5, 13, 181, 191, 196 

 copper soap test for, 197 

 ethyl-butyrate test for, 196 

 experiments on, 13, 196 

 influence of "bile on, 192 

 litmus-milk test for, 196 

 Lipases, 5, 13, 181, 191, 196 



autolytic, 5 



experiments on, 13, 196 



pancreatic, 13, 181, 191, 196 



vegetable, 13 



Lipemia, blood in, 273, 274 

 Lipeses, 9 

 Lipins, 370 



Lipoids of nervous tissue, 370, 373 

 Lipolytic enzymes (see Lipases, p. 5, I3,,i8i, 191, 



197) 



'"Litmus-milk" test for pancreatic lipase, 197 

 Litmus milk powder, 636 



