SUBJECT INDEX 



753 



Hj'drocoumarol, 427-428 

 Hydrogen, attachment to pyridine nu- 

 cleotides, 492 

 Hydrogenation, effect on essential fatty 



acids, 273-274 

 Hydrolapachol, vitamin K and, 397 

 Hydrosulfite, in diphosphopyridine nu- 

 cleotide estimation, 511 

 Hydroxamic acid reaction, 602 

 S-HA'droxj^anthranilic acid, in niacin 

 synthesis, 525-526, 527-528, 532- 

 533 

 j8-Hydroxybutyric acid, 



P3'ridine nucleotides and, 502 

 synthesis of, 619 

 3-Hydroxy-A5'''-choladienic acid, 

 as provitamin D, 144-145 

 formation of, 142 

 7-H3^drox}'-cholesterol, 140 

 formation in body, 159 

 irradiation of, 206 

 sj'nthesis of, 147 

 a-Hydrox3^-|3,i3-dimethyl-7-butyrolac- 



tone, synthesis of, 597 

 3-Hydroxykynurenine, in niacin syn- 

 thesis, 526 

 Hj^droxj^isomytilitol, vitamin activity 



of, 352 

 l-Hydroxy-2-methylnaphthalene, vita- 

 min K and, 397 

 l-Hydroxy-3-methylnaphthalene, vita- 

 min K and, 397 

 Hydroxypantothenic acid, 627 

 Hypercholesteremia, choline and, 102 

 "Hyperprothrombinemia", 444 

 Hypertension, choline deficiency and, 88 

 Hyperthyroidism, acetylation in, 672 

 Hypervitaminosis D, 

 factors affecting, 265-266 

 clinical symptoms, 265 

 pathology of, 264 

 Hypoparathyroidism, 250 

 Hypophysectomy, effect on liver fat, 99 

 Hypoprothrombinemia, 

 dicoumarol and, 428 

 of newborn, 421-422, 433, 448 



Indirubin, niacin and, 557 

 Indole, 533 

 Indole-3-acetic acid, 548 



Infantile cirrhosis, choline and, 104 

 Infection, effect on Vitamin D absorp- 

 tion, 259-260 

 Inosamines, 327 

 Inosite, see Inositol 

 Inositol, 86 



absorption of, 349-350 

 antiketogenic effect of, 349, 351 

 biochemical systems, 342-351 

 biogenesis, 385-386 



by animals, 356-358 



by microorganisms, 354-355 



by plants, 355-356 

 chemistry of, 329-338 

 effects of deficienc}', 



in animals, 367-371 



in humans, 371-376 



in microorganisms, 366-367 

 effect on cholesterol esters, 69 

 effect on fatty liver, 80-81, 347, 370, 384 

 estimation of, 



chemical methods, 359-360 



isolation, 358-359 



microbiological assay, 361-362 



mouse assay, 361 



paper chromatography, 361 

 fatty acids and, 315 

 glucose formation from, 357-358 

 hydrolysis of bound forms, 362 

 industrial preparation of, 339-342 

 metabolism, 



in animals, 349-351 



in bacteria, 347-349 

 natural antivitamins of, 363-366 

 nomenclature and formulas, 322-330 

 occurrence of, 334-336, 363-366 

 pharmacology of, 377-381 



gastrointestinal tract, 379-380 



heart, 377-379 



neuromuscular system, 380-381 



thyroid, 380 

 properties of, 336-338 

 spatial constellations of, 331-333 

 specificity of action, 351-354 

 requirements, 



of animals, 381-382 



of humans, 382-383 

 ^///«-Inositol, 323, 324, 338 

 D-Inositol, vitamin activity of, 352 

 epMnositol, 323, 324, 338 

 vitamin activity of, 352 



