SUBJECT INDEX 



005 



H 



II;itch;il)ility, 

 vitiiiuiu B,.- aiul, 414, 4S!t 

 in hiutin deficiency, 602 

 Hay fever, 378 

 Heart muscle, 



in scurvy, 2S5 

 Hematopoietic system, 



in vitamin A deficiency, 112 

 Homcralopia, 141 

 Hemin, 226, 402 

 Hemoglobin, 61, 226, 330. oOl 

 in scurv}-, 291 

 vitamin Bi-j and, 444, 41)1 

 Hemophilia, 376 

 Hemorrhage, 354 

 Hemosiderin, 112 

 Hemosiderosis, 521 

 Heparin, 293 



vitamin Bia binding b.y, 495 

 Hepatic dysfunctions, 



vitamin A and, 174-175 

 Hept3-lic acid, 581 

 Hermidin, 231 

 0-Heterobiotin, 551 

 Hexose diphosphate, 230 



ascorbic acid sj'nthesis and, 215 

 Hexose monophosphate, 234 

 Hexuronic acid, 181, 350 



see also Ascorbic acid 

 Hippocrates, 348 

 Histamine, 312, 343 

 Histidine, 378 

 Homobiotin, 



as inhibitor, 567 

 16,16'-Homo-^-carotene, 24 

 Homocysteine, 434, 484 

 Homocystine, 235, 435, 437-438, 440 



conversion to methionine, 430 

 Homodesthiobiotin, 551 

 Homogentisic acid, 313, 364 



in scurvy, 236 

 Homooxybiotin, 



as inhibitor, 567 

 Horses, 



vitamin A requirements of, 166-167 

 Humans, 



carotene requirements of, 171-172 

 vitamin A requirements of, 172-173 



vitamin lii2 (hsiicicncy in, 191-505 



vitamin B12 reciuirement of, 522-523 

 Hyaluronic acid, 278 



effect of ascorbic acid on, 279 

 Hyaluronidase, 279, 372, 374 

 Hydrogen ion ccmcentration, 



effect on alcohol dehydrogenate, 69-70 

 Hydrogen peroxide, 334, 343, 345 



effect on hyaluronic acid, 279 



effect on vitamin B12 , 488-489 

 Hydrogen sulfide, 



in ascorbic acid estimation, 251 

 Hydroquinone, 106, 226, 227 



vitamin A and, 29-30 

 Hydroxocobalamin, see vitamin Bu 

 a -Hydroxy acid dehydrogenase, 230 

 p-Hydroxy benzoic acid, 430 

 Hydroxjdamine, 



as trapping agent, 73 

 p-Hydroxj'phenyllactic acid, 313, 364 



in scurvy, 236 

 p-Hydroxyphenylpyruvic acid, 313, 364 



in scurvy, 236 

 Hydroxy tetronic acid, 200, 253, 255 

 Hyperkeratosis, 112-113 



in biotin deficiency, 613 



follicular, in vitamin A deficiency, 150- 

 157 



vitamin A therapy of, 160-161 

 Hj'pervitaminosis A, 124-135 



symptoms of, 161-162 

 Hypoxanthine, 410, 459, 460 

 Hypoxanthine desoxyriboside, 481 

 Hypyon, 111 



I 



L-ldonic acid, 183, 185 



in ascorbic acid synthesis, 209 

 1-Imino-L-ascorbic acid, 188 

 "Indicator yellow", 59 

 Indol, 89 



in vitamin deficiency, 499 

 Infectious diseases, 



ascorbic acid and, 339, 379, 387-388, 390 



biotin and, 611-613 

 Inositol, 457 



in biotin fatty liver, 6(H) 607 

 Insects, 



vitamin A requirements of, 170 

 Insulin, 345 



in scurvy, 316 



