SUBJECT INDEX 



651 



Flavin adenine dinuclcotide, 393, 442 



as coenzyme, 342, 343, 348, 350, 351, 

 354, 355, 356, 357 



analogs of, 331 



estim;ition of, 367-368 



fluorescence of, 307, 362 



in growth stimulation, 325, 330, 358 



isolation of, 338-339 



pyruvic dehydrogenase and, 432 



structure of, 334-335 

 Flavin coenzymes, chemical properties 



of, 336 

 Flavin mononucleotide, 345, 353, 357 



analogs of, 331 



as coenzyme, 334 



estimation of, 367-368 



in growth stimulation, 325, 358 



isolation of, 337 



sj-nthesis of, 321-322 

 Flavokinase, 



action of, 335-336 



effect on riboflavin analogs, 331 

 Flavoproteins, 581, 583 



prosthetic groups of, 334 

 Fluoride, 436, 439 



as enzj-me inhibitor, 14 

 Fluoroacetate, 436 

 Fluorometry, in riboflavin estimation, 



361-368 

 FMX, see Flavin mononucleotide 

 Folacin, see Pteroylglutamic acid 

 Folic acid, see Pteroylglutamic acid 

 Folin-Denis reagent, in pyridine estima- 

 tion, 245-246 

 Folinic acid, 28, 40, 75, 599, see also Citro- 



vorum factor, Leucovorin 

 Formaldehyde, 351 

 Formate, 



incorporation in resistant leukemia, 

 161 



in purine synthesis, 138-139 



in riboflavin synthesis, 323, 361 



in serine synthesis, 136, 137 



oxidation of, 444 



rhizopterin and, 109 

 4-Forniyl:unino-5-imidazolecarbox- 



aniide, in i)urine synthesis, 131 

 N"'-Formylpteroic acid, 103, 199 



activitj' of, 144 



metabolism of, 200-201 



N"'-Formylijtcroylglutamic acid, 103 

 effect on inhibitors, 110-111 

 in serine synthesis, 136 

 reduction potential of. 111 



10-Formyl -5,6,7, 8-t el rahydroptcroyi- 



glutamic acid, sec Citrovorum fac- 

 tor, Leucovorin 



Fox, 

 pteroylglutamic acid deficiency in, 190 

 pyridoxinc requirement of, 298 

 riboflavin deficiency in, 384-385 

 vitamin Be deficiency in, 276 



Fumaric hydrogcnase, coenzyme of, 355 



Furfural, as growth factor, 590 



Galactoflavin,330,394 



effect on growth, 328 

 Gastrointestinal tract, p-aminobenzoic 



acid and, 55-56 

 Gizzard erosion factor, 596 

 Glucose, 15 



heated, as growth factor, 589-590 



in riboflavin synthesis, 323, 361 



in ribose synthesis, 318 



phosphorj'lation of, 14 

 Glucose oxidase, action of, 355-356 

 N-Glucosylglycine, as growth factor, 



590-591 

 Glutamic acid, 9, 16, 236 



combination with p-aminobenzoic acid, 

 28 



in sulfonamide reversal, 69 



in vitamin Be deficiency, 267 



pterojlglutamic acid and, 137 

 Glutamic acid decarboxjlase, in vitamin 



Be deficiency, 268 

 Glutamic-aspartic transaminase, coen- 

 zyme of, 278 

 Glutamic dehydrogenase, 354 

 Glutamine, 9 



strepogenin and, 588 

 Glutathione, 11, 582 



in detoxification, 63 

 Glycerol diacetate, 44 

 Glycine, 9, 62, 70 



conjugation with j:;-aminol)onzoic acid 

 14 



in choline sj^nthesis, 137-138 



in detoxification, 44 



