SUUJKCT INDKX 



073 



Tartarir acid, 



oxidation of, ..'21^2:^0 

 Teeth, 



ascorbic acid, in, .'iOo 



in bioassay of ascorbic acid, LM;},3}52- 

 3S3 



in hypervitaminosis A, 133 



in scurvy, 2S2 2S3, 357-358, 373 



'\H vitamin A deficiency. 114-110 

 Terramycin, 418 



in pernicious anemia, 4il',t 



vitamin A and, 42 

 Testes, 



ascorbic acid, in, 312 

 Testosterone, 



avidin and, 608 



effect on biotin deficiency, 608 

 Tetraacetyl-L-threose cyanohydrin, 197 

 Tetrahydrofolic acid, 330 

 2,3,5,6-Tetramethyl ascorbic acid, 208 

 2,4,7,8-Tetramethyl-l,5-benzyldi- 

 azepine, 



in vitamin B12 assay, 449 

 Thiamine, 602, 627 



ascorbic acid synthesis and, 223 



relation to ascorbic acid, 328-329 



in tlnrotoxicosis, 422 

 5- (Thienyl-2) -valeric acid, 541 

 Thiobarbituric acid, 319 

 Thiocjanate, 



in vitamin Bio assay, 451 

 Thioglycollic acid, 



in vitamin B12 assay, 457, 459, 462, 463- 

 464, 466, 483 

 Thiolactic acid, 



in dohydroascorbic acid retiuction, 233 

 Thiomalic acid, 



in vitamin B12 assay, 463-464, 483-484 

 Thionine, 248 

 Thiosulfate, 



in ascorbic acid assay, 253 

 Thiourea, 251, 252, 255 

 L-Threonic acid, 225, 376 

 Threonine, 



deami nation of, 582, 585 

 L-Threose, 



in ascorbic acid .synthesis, 1!(7, 209 

 Thrombocytopenia, 375 

 Throml)oplastin, 292 



in scurvy, 293 



Tliyniidinr, U'.CI, VMK l.ij, 1(11, 165 



in growth of Ijortobacillus, 456, 459, 

 460, 462, 466, 481-482 



vitamin Bi; and, 497 

 Thymine, 459, 481, 497 



formate and, 429- 430 



relation to vitamin Bij , 446 

 Thyroid, 



in vitamin liu assay, 151 

 Thyroid gland, 125 



in scurvy, 301 

 Tliyrotoxicosis, 390 



vitamin B,, and, 422-423, 441, 507 

 Thyroxine, 507 

 Tin, 



in ascorbic acid a.ssay, 254 

 Tiotin, 558 

 Tissues, 



ascorbic acid in, 310-312 



vitamin A assay of, 97 

 Tocopherol (s), 100, see al.so \'itamin V. 



as antioxidants, 106 



in oxidation of fats, 328 



vitamin A and, 98, 175 

 a-Tocopherol, 42, 302 



carotene and, 24 



vitamin A and, 29-30 

 a-Tocopheryl phosphate, 



in visual system, 67 

 Toluidine l)lue, 280 

 Torularhodin, 



occurrence of, 101 

 "Transient orange," 59 

 Trauma, 



effect on ascori)ic acid retention, 338 

 Trichloroacetic acid, 246 

 2,3,5-TrimethyI asc()H)ic acid, 208 

 2,6,6-Trimethylcyclohexanone, 33 



in vitamin A synthesis, 39-41 

 2,6, 6-Trimet hy 1-1 -et hy nylcyclohex- 



anol-1, 39 

 2, 6, 6-Trimet hy 1-1 -ct liynylcyclohexen- 



2.-0I-I, 54 

 2,3,4-Trimethyl-L-thrconic acid, 185 

 Triphosphopyridine nucleotide, 231, 232 



in glutathione reduction. 231. 232. 234. 

 23() 



reduction in biotin d(!ficiencv, 578 

 "Triunmerfeld zone," 2S2. 373 

 Trypan blue, 295, 3(Kt 



