562 



SUBJECT INDEX 



Hydrogenation, 303, 483, 532 

 eflfect upon vitamin A values of fats, 

 229 



Hydrous aluminum silicate, 32 



4-Hydroxy-2, 6-dimethyl pyrimidine, 50 



2-Hydroxy-4, 6-methyl pyrimidine, 50 



y-Hydroxypyridine, 34 



6-Hydroxynicotinic acid, 33 



Hydroxyphenyl, 68 



Hydroxypyridines, 2>Z 



Hyperemia, 148, 163 



Hyperemia pulp of teeth, 177 



Hyperglycemia and vitamin B defi- 

 ciency, 79 



Hypervitaminosis, 409, 442. See also 

 Vitamin D 



Hypoglycemia, 513 



Illustrations of relation of vitamin A 

 to nutrition, health, and vitality, 

 287-292 



Imidazole, 44 



Immunity, 283, 524. See also Infection; 

 also under each Vitamin as re- 

 lated to health 



Inactivation, 107, 108, 304, 306, 531. 

 See also individual Vitamins. 



Inanition, 77-80, 431, 438, 457, 523. See 

 also Fasting ; Starvation 



Incidence of different symptoms. See 

 under each Vitamin deficiency. 

 of infection. See Infection ; also un- 

 der each Vitamin, relation to 

 health 

 of ophthalmia in vitamin A defi- 

 ciency, 274-276 



Incisor, 177 



Indian foodstuffs, 381 



Indian troops, scurvy in, 179, 180 



Indole, 68 



Infantile scurvy cured by decitrated, 

 concentrated lemon juice, 214 



Infants, antiscorbutics for, 211 



Infants' foods, 378-380, 382, 386, 417, 

 456 460 524 



Infection, ' 85, ' 143-144, 224, 250, 274- 

 292, 320, 393, 394, 404, 421, 479, 

 486, 488, 494, 498, 502-504, 518- 

 520, 524 



Infusorial earth, 114 



Injection method of vitamin B tests, 25, 

 74, 105 



Infra-red radiation, 372 



Inositol, 128 



Insects, 225, 514 

 as test animals, 514 



Insulin, 369, 471, 510 



Interrelationships of scurvy and other 

 deficiency diseases, 151 



Intestine, 70, 163, 281, 326, 404, 406, 

 409, 431, 450, 474, 480 

 See also Infection 



Introduction to vitamin theory, 13 



Invertase, 504 



Iodine, 216 



Iodine-potassium iodide, 43 



Iron, 216, 466, 502 



Irradiation, 238, 257, 296-313, 317, 319- 

 321, 328, 330-335, 357, 371, 385, 

 401, 403, 414, 419, 421, 429, 441- 

 443, 445, 447-448, 463, 465, 479, 

 481, 490, 495-497, 505-507, 510, 

 513-514, 517, 522, 526, 528, 530- 

 533 

 effect of excess on inactivation of 



vitamin D, 304, 306 

 of body with ultra-violet light, 296- 

 298, 319-321, 334, 335, 371, 403, 

 414, 421, 429, 447-448, 463, 465, 

 479, 481, 490 

 of cholesterol, 238, 302-305, 308-310, 



313 

 of ergosterol, 306, 307, 309-313, 317, 



328 

 of foods, 300-302, 330-334, 385, 448, 



517, 522, 528 

 See also Cholesterol ; Ergosterol ; 

 Light ; Ultra-violet ; Vitamin D ; 

 under each Vitamin 



Isoergosterol, 311, 519 



Isolation experiments. See under each 

 Vitamin, chemical nature; con- 

 centration 



Japan sand pear, 431 



Japanese navy, conquest of beriberi in, 



25 

 Jaw bone, decalcification of, 177 

 Jendrassik, 447 

 Juices. See Fruit juices 



Kaki, 193 



Kakke, 515. See also Beriberi 



Kale, 93, 201, 437 



Katjang idjo, 15, 381, 428 



Keratinization, 280. See also Vitamin 



A deficiency 

 Keratoconjunctivitis, 274 

 Keratomalacia, 274, 294, 394, 396, 488, 



495, 508, 523. See also Vitamin 



A 

 Kidney, 56, 70, 86, 139, 146, 160, 163, 



253, 270, 446, 478, 496 

 stones, 478 

 Kieselguhr, 114 

 Kinnersley-Peters concentrate used as 



source of vitamin B in vitamin G 



investigation, 127 

 Kohlrabi, 197, 426 

 Kromayer lamp, 311 



