SUBJECT INDEX 



6G1 



Stibosan, 00 



"StilT-Iainl)" ilisoaso, 524 



Stigmasteiol, as antistilTiioss factor, 5',)2 



Stilbestrol, 



/»-aminobenzoic acid and, 58 



pteroylglutamic acid and, 195-196 



tocopherol and, 537, 567 

 Straub fiavoprotein, properties of, 344 

 Strepogenin, 



discovery of, 585 



in growth of mammals, 587-588 

 Slreptococcus faccalis, in pteroylglutamic 



acid estimation, 167-168 

 Stress, 



growth factors and, 498-599 



tocopherol and, 563-564 

 Strychnine, pyridoxine and, 291 

 Succinic acid, in thiamine synthesis, 413, 



414 

 Succinic acid oxidase, in vitamin Be de- 

 ficiency, 268, 271 

 Succinic semialdehyde, formation of, 443 

 Succinylsulfathiazole, 39, 40, 177, 186, 187 



p-aminobenzoic acid and, 75-76 

 Sulfadiazine, 129 

 Sulfaguanidine, 39, 40, 57, 177 



reversal by p-aminobenzoic acid, 75 



tocopherol and, 513 

 Sulfamerazine, 176 

 Sulfanilamide, 11, 15, 19, 21, 24, 45 



as growth essential, 76-77 



pteroylglutamic acid and, 127-128, 133 

 Sulfanilic acid, 15, 40 

 Sulfapj-ridine, 15, 21 

 Sulfasuxidine, see Succinylsulfathiazole 

 Sulfathalidine, 186 

 Sulfathiazole, 15 



p-aminobenzoic acid and, 60 



synergism with 2,4-diaminopteridine, 

 153 



uptake bj- bacteria, 75 

 Sulfhydryl groups, 



in antioxj'genic action, 503-504 

 "Sulfonamide inhibitor," in p-amino- 

 benzoic acid estimation, 21-22 

 Sulfonamides, see also specific compounds 



p-aminobenzoic acid and, 66-79 



effect on plants, 77-78 



effect on malarial mosquito, 77 



in pteroylglutamic acid deficiency. 168, 

 171-173 



reversal, 0()-79 



l)y i)t(M()ylglutamic acid, 134-135 

 Swine, 



p-aminobenzoic acid tieficiciK y in, 42- 



43 

 pleroylglutaniic acid derKiciicy, 186- 



189 

 pyridoxine requirement of, 296 

 riboflavin deficiency in, 385 

 tocopherol deficiency in, 518-519 

 vitamin Be deficiency in, 273-274 

 Synthetase, definition of, 14 



Taka-diastase, in pteroylglutamic acid 



estimation, 163 

 Teeth, in tocopherol deficiency, 541 

 Temperature, 



effect on thiamine requirement, 474- 

 475 



riboflavin requirement and, 397 

 Tenebrio molitor, growth of, 583-584 

 Testosterone, 



pteroylglutamic acid and, 196-197 



riboflavin and, 392 

 Tetracaine, 8 

 Tetrahydropterojdglutamic acid, 



activity of, 198 



in serine synthesis, 136 



reduction potential of. 111 

 Tetrahymena, lipoic acid and, 576 

 Thetins, 584 

 Thiaminase, 



effect on thiamine, 459 



in food, 458-460 



pteroic acid and, 15 

 Thiamine, 11, 34, 35, 293 



absorption of, 454 



activity of reduced form, 440-441 



biochemical systems, 425-442 



biogenesis of, 445-448 



chemistry of, 404-409 



constitution of, 406 



diazotized, 21 



diets deficient in, 464-465 



effects of deficiencj', 

 in animals, 460-464 

 in human, 464-466 

 in microorganisms, 400 



estimation, 

 biological, 450 



