570 



SUBJECT INDEX 



Tomato and tomato juice {continued) 

 212, 218, 252, 253, 269, 328, 372, 

 380, 400, 402, 417, 426, 434, 446, 

 449, 465 

 seed press cake, 394 



Tongue, abscess-like cavities or cysts at 

 base of, 280. See also Vitamin A 



Torulin, 28, 40, 44, 45, 50, 81, 387, 413, 

 438 



Toxemia, 283. See also Infection 



Toxicity of irradiated ergosterol, ques- 

 tion of, 502-503. See also Ergo- 

 sterol 

 theory of beriberi, 15 



Trachea, 280, 465, 467 



Tradescantia, 251 



Trichloroacetic acid, 177, 239 



Trigonelline, 33 



2,3,4-Trihydroxypyridine, 33 



2,4,6-Trihydroxypyridine, 33 



Trimethylamine, 28 



Trimethyluracil, 37 



Tri-oxyhematin, 177 



"Tripartite nature" of vitamin B com- 

 plex, 125 



Tuberculosis, 287, 291, 404, 441, 444, 

 478, 496, 504, 510. See also In- 

 fection; also Vitamin A, relation 

 to health 



Tubers, 112 



Tumors, 75, 468 



Turkeys, 451 



Turnips, 192, 193, 251, 269, 426, 518 



Turnip greens, 201, 367 



Tyrosine, 440 



2,6-dihydroxyquinoline, 50 



2,6-dihydroxyquinoline-4-carboxylic 

 acid, 50 



2,6-dioxyquinoline, 49 

 hydrochloride of, 49 



2,6-dioxyquinoline-4-carboxylic acid, 49 



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



2-methyl glyoxaline, 50 



2-thiol-4-amino-methyl glyoxaline, 50 



2-thiol-5-amino-methyl glyoxaline, 50 



2,4,6-trihydroxypyridine, 33 



2,3,4-trihydroxypyridine, 33 



Ultra-violet light, 124, 126, 230-231, 239, 

 252, 296-303, 305-314, 332-334, 

 355, 357, 367, 369, 371, 372, 379, 

 381, 385, 386, 394, 396, 399, 400, 

 403, 404, 423, 424, 426, 427-429, 

 437, 445, 446, 456, 459, 471, 478, 

 479 



antirachitic zone in, 297, 428 



depth of penetration of, in tissues, 

 303, 355, 357, 456 



discovery of antirachitic value of, 296, 

 297, 459 



efifect upon vitamin A, 230-231 



Ultra-violet light (continued) 



in antirachitic activation of ergosterol, 

 305-314 



in antirachitic activation of foods, 

 300-303, 332-334, 381 



in promotion of growth, 298, 429 



relation to vitamin A, 298-300 



See also Irradiation ; Lamps ; Sun- 

 light; Vitamin D 

 Ulva, 251 

 Unit of vitamin A, 265 



of vitamin B, 102-103 



of vitamin C, 176 



of vitamin D, 317, 328 



of vitamin G, 137 

 Underhill-Mendel factor, 140-141 

 United States Army Medical Commis- 

 sion, 26 

 Uracil, 26 



Uric acid, 68, 284, 353 

 Urine, 373, 407, 467, 468, 522 

 Urolithiasis, 446 



Valine, 36 



Values, vitamin. See under each Vita- 

 min 



Vanaspali, 516 



Veal, 270, 331 



Vegetable ghee, 516 

 marrow, 205 

 oils, 253, 287, 306, 340, 437, 506, 512 



Vegetables, 13, 19, 92, 93, 112, 139, 149, 

 168, 180, 202-207, 231, 250, 268- 

 269, 328, 368, 370, 371, 380, 384, 

 433, 435, 449, 466, 473, 493, 499, 

 501 



Velvet beans, 484, 491 



Vetch, 204 



"Vigantol," 367, 393, 443, 445, 478, 510, 

 530 



Vigor, relation of vitamin A to, 287- 

 292. See also under each Vita- 

 min, relation to health 



"Viosterol," 317, 366, 374, 381, 416 



Viscera, 339, 421. See also names of in- 

 dividual organs 



Vitality. See under each Vitamin, rela- 

 tion to health or to nutrition. 



Vitamin A, 21-23, 221-292, 293, 336, 

 354, 359, 360, 362-369, 372-3S3, 

 385, 387-393, 396, 402, 404, 406, 

 408, 413, 417, 420, 422-427, 429- 

 435, 437, 439, 442, 444, 446, 447, 

 449, 451, 454-458, 460-471, 474, 

 477, 480-482, 486-495, 497-500, 

 502-506, 509, 510, 513-520, 522, 

 524, 525, 529, 531, 532 

 absorption spectrum of, 249, 465, 489 

 acetylation, 237 



action of various reagents upon, 234- 

 250 



