650 



SUBJECT INDEX 



Dithiooctanoic acid, see Lipoic acid 

 Dog 

 pteroylglutamic acid deficiency in, 



189-190 

 riboflavin deficiency in, 384 

 tocopherol deficiency in, 518, 528, 532 

 vitamin Be deficiency in, 272 

 DPN, see Diphosphopyridine nucleotide 

 Duck, 

 pteroylglutamic acid requirement of, 



178 

 pyridoxine requirement of, 298 

 riboflavin deficiency in, 387 

 vitamin Be deficiency in, 275-276 

 Duroquinone, formation from a-toco- 



pherol, 487 

 Dysentery, in pteroylglutamic acid 

 deficiency, 183-184 



E 



Electroshock, pyridoxine and, 291 



Encephalograms, in thiamine deficiency, 

 465 



Endocrine glands, in tocopherol de- 

 ficiency, 521 



Epinephrine, 55, 56, 236 

 thiamine and, 467 



Eremothecium ashbijii, in riboflavin for- 

 mation, 324, 333 



Ergostenol, as antistiffness factor, 592 



Erythredema, tocopherol and, 550 



Erythroblastosis, tocopherol and, 547 

 550 



Erythrocyte maturing factor, 210-211 



Eserine, 468 



Essential fatty acids, tocopherol and, 

 505, 563-564 



Estradiol, pteroylglutamic acid and 

 195-196 



Estrogen, tocopherol and, 561, 567 



Ethanol, oxidation, 581 



Ethoxypropionic acid, in thiamine syn- 

 thesis, 413-414 



Ethyl adipyl chloride, in lipoic acid 

 synthesis, 578 



N-Ethyl-1-naphthylamine, as coupling 

 agent, 20 



7-Ethyl-9-(D'-l'-ribityl)isoalloxazine ef- 

 fect on growth, 326 



Ethylthiaminc, activity of, 408 



Exudative diathesis, in tocopherol de- 

 ficiency, 534-535 



Eye, in riboflavin deficiency, 381, 384, 

 390-391 



Factor Bx , 596 



Factor GPF-1, 596 



Factor GPF-2, 596 



Factor GPF-3, 596 



Factor HL, 1,2,3.4, 596 



Factor P, see p-Aminobenzoic acid 



Factor R, 596 



Factor S, 596 



Factor T, 596 



Factor, U, 175, 596, see also Pterojd- 



glutamic acid 

 Factor V, 596 

 Factor W, 596 



Factor X, 596, see also Tocopherol 

 Factor Y, 596, see also Vitamin Be 

 Factor I, see Vitamin Be 

 Factor 3, liver necrosis and, 540 

 FAD, see Flavin adenine dinucleotide 

 Fat, 



effect on riboflavin requirement, 378- 

 379, 396 



effect on thiamine requirement, 473, 

 478 



effect on tocopherol assay, 507 



in tocopherol deficiency, 514, 536, 537 



metabolism, in vitamin Be deficienc}^ 

 269 



tocopherol and, 570, 573 

 Fatty acids, 



in ceroid production, 517 



unsaturated, 539 

 Fermentation L. casei factor, see Pteroyl- 



triglutamate 

 Ferric chloride, 



in pyridoxine estimation, 245 



in tocopherol assay, 506, 508 

 Ferricyanide, 



as oxygen acceptor, 580 



in thiamine estimation, 448 



in tocopherol assay, 506-507 

 Fibrositis, tocopherol and, 568-569 

 Fish, 



p-aminobenzoic acid deficiency in, 43 



thiamine in, 457-458 



