GENERAL INDEX 



1003 



Foods, importance of various, 878 

 Formaldehyde, 38 



formation of, from carbon- 

 ic acid, 2 



relation to glycogen for- 

 mation, 397 

 transformation into sugar, 



1 



Formol titrable nitrogen in urine, 755, 756 

 titration, Sorensen's, for amino 



acids, 166 



Freezing-point depression, for mamma- 

 lians, 12 

 in the frog, 12 

 in the inverte- 

 brates, 12 

 in the lower 



fishes, 13 

 in the higher 



fishes, 13 

 in the eel, 13 

 in urine, 13 

 of colloids, 17 

 molecular lowering of, 4 

 Fructosazine, 221 

 Fructose, 217-218 



in blood serum, 265 

 in urine, 814-815 

 structural formulae for, 197, 199 

 tests for, 217-218 

 Fruit-sugar, 217. See Levulose. 

 Fuld and Levison's method for testing 



pepsin, 470 



Furbringer's test for proteid, 790 

 Furfurol, 208-209 



fate of, in organism, 784 

 Fuscin, 617 



Gadushistone, 108 

 Galactosamine, 220 

 Galactose,..654, 816 



structural formula for, 199 

 tests for, 217 

 Galactoside, 202 



Gall bladder, secretion of, 416, 437 

 Gall-stones, 444 

 Gallois'.inosite test, 578 

 Ganassini's reaction for uric acid, 707 

 Gas exchange, a measure of metabolism, 



927-928 



between blood and pul- 

 monary air, 858-870 

 between blood and tissues, 



858-870 



in muscle activity, 592 

 in starvation, 895 

 methods for the quantita- 

 tive determination of, 

 868-870 



through skin. 849 

 rise of, 931 

 tension in blood, 859-868 



methods of determining, 864- 

 866 



Gases, in bile, 857 



in birds' eggs, 636 

 in blood, 857, 850-856 

 in exudates, 857 

 in blood serum, 269 

 in gastric digestion, 485-486 

 in lymph, 346, 856-858, 

 in milk, 657, 658 

 in muscles, 588 

 in saliva, 857 

 in stomach, 485-486 

 in transudates, 355 

 in urine, 770, 857 

 in woman's milk, 664 

 produced in putrefaction, 515-516 

 Gastric contents, indicators for determin- 

 ing acids in. 487 

 nature of acids in, 487 

 quantitative determina- 

 tion of lactic acid in, 

 488 

 test for lactic acid in, 



488 



digestion, absorption of cleavage 

 products in stomach, 

 484 



degree of, 483, 484 

 effect of fats on, 481 

 gases in, 485, 486 

 time of passage through 

 the stomach of dif- 

 ferent foods, 482, 483 

 juice, 461-466 



action of foreign substances 



on secretion of, 462 

 action of saliva on secre- 

 tion of, 463 

 composition of, 465 

 constituents in, 466 

 degree of acidity in, 487 

 obtainment, free of saliva 



461-462 

 origin of hydrochloric acid 



in, 477 

 secretion of, 461, 462-463 



in man, 464 

 lipase, 476-478 



Geissler's albumin-test papers, 790 

 Gel, 15 

 Gels, 30-32 



Gelatin, 31, 78, 80, 118, 119-121, 152 

 analysis of, 118 

 as a foodstuff, 912 

 forming substances of bones, pep- 

 tic digestion of, 472 

 forming substances of cartilage, 



peptic digestion of, 472 

 forming substance of connecting 

 tissue, action of trypsin on, 508 

 forming substances of connective 

 tissue, peptic digestion of, 472 

 from peptic digestion, 473 

 hexone bases in, 165 

 in egg development, 639 



