764 



SUBJECT INDEX 



Tellurite, methylation of, 44, 51 

 Temperature, effect on choline require- 

 ment, 91 

 Terpenes, biosynthesis of, 625 

 Testosterone, 299 



effect in choline deficiency, 73 



N'-methylnicotinamide and, 516 

 Tetany, effect of vitamin D on, 261 

 Tetrabromostearic acid, in linoleic acid 



isolation, 271, 273 

 Tetraenoic acid, deposition of, 282 

 Tetramethylammonium chloride, in 

 growth of microorganisms, 50, 55 

 Thetins, see also Dimethylthetin 



effect on choline requirement, 128 



in methionine formation, 23 



methyl groups and, 23, 26, 48, 103 

 Thiamine, 17, 129,653 



burning feet syndrome and, 676, 677 



choline oxidase and, 39 



fatty liver and, 74, 80, 81-82, 83 



niacin and, 555, 562, 585 



inositol and, 370 

 Thiocyanogen value, 



in linolenic acid determination, 273 



of unsaturated fatty acids, 288-289 

 Thioethanolamine, see oiso Cysteamine, 



in pantethine, 613 

 Thiomethylacetic acid, 44 

 Thiolacetic acid, in acetylcholine for- 

 mation, 17 

 Thiomethyladenosine, formation of, 51 

 Thiouracii, 380 



arteriosclerosis and, 99 



effect in choline deficiency, 73 



N'-methylnicotinamide and, 516 

 Threonine, 



effect in choline deficiency, 79 



fatty liver and, 87 

 Thrombocytopenia, differentiation from 



vitamin K deficiency, 420 

 Thromboplastin, 403, 408 



inositol phosphatide and, 381 



vitamin K and, 433-434 

 Thyroidectomy, effect on liver fat, 99 

 Thyroid gland, 85 



in choline deficiency, 73, 74 



inositol and, 380 

 Thyroxine, 



choline oxidase and, 39 



pantothenic acid and, 686 



a-Tocopherol, 374, see also Vitamin E 



effect on ceroid, 113 



essential fatty acids and, 285-286, 315- 

 316 



inositol and, 384 

 a-Tocopherol phosphate, pyridine nu- 

 cleotides and, 507 

 a-Tocopherylquinone, vitamin K and, 



398, 418, 440 

 jo-Toluidine, methylation of, 44 

 Torula cremon's, in niacin assay, 540 

 Toxisterol, 181 



properties of, 198-200 

 Transacetylase, 



in acetate activation, 616-617 



in acetyl -coenzyme A preparation, 607 



in coenzyme A assay, 602 

 Transmethylation, choline and, 19-24 

 Trienoic acid, 2S3 



accumulation in fat deficiency, 281 

 Triethylcholine, 80 



effect in choline deficiencj^, 66-67 



in growth of microorganisms, 50 



in lecithin synthesis, 49 

 Trigonelline, 385, 457, 478 



derivation of, 514 



differential assay of, 536, 537 



formation of, 23, 32 



in niacin assay, 539, 558 



niacin formation from, 476 



toxicity of, 572 

 1 ,2,4-Trihydroxyanthraquinone, vita- 

 min K and, 398 

 Trimethylami ne , 



fate of, 93, 127-128 



formation of, 10, 51-52, 92 



in choline estimation, 53, 54 



in choline synthesis, 10-11, 14 



in growth of microorganisms, 50, 55 

 Trimethylamine oxide, 



excretion of, 127-128 



formation of, 92 



in creatine formation, 31 

 Trimethylarsine, formation of, 51 

 Triosephosphate dehydrogenase, coen- 

 zyme of, 493 

 Triphosphopyridine nucleotide, 455, 603, 

 604, see also Pyridine nucleotides 



biosynthesis of, 506-507 



estimation of, 511-512 



isolation of, 453, 458-460, 480, 481-482 



