THE VITAMIN B COMPLEX 



Corn. See Maize. 



Coryne sarcoides, 109. 



Corynebacterium diphtheriae, 349, 361, 



380, 381, 382, 383, 385, 387, 394, 



397. 399. 446, 621. 



— spp., 468, 510. 



Cotton rats, inositol deficiency in, 573. 

 Cow dung, chick factor in, 609, 619. 

 — , vitamin B12 in, 538, 539, 544. 

 Cows, vitamin deficiency in, 170, 237, 



426. 

 Cozymase. See Codehydrogenase I. 

 Crab, vitamin content of, 165, 233. 

 Cranberries, vitamin content of, 233, 

 Creatine, 599, 600, 601. 

 Creatinine, 599. 

 Crotyl alcohol, 197. 



f phenyl-, 197. 



Cucumbers, vitamin content of, 164, 



233. 

 Currants, vitamin content of, 43. 

 Cyanogenetic glycosides, 246. 

 Cyclohexane, 1:2:3:4:5: 6-hexa- 

 chloro-, 578. 



— 1:2: 3-triol, 579. 

 Cypridina, 197. 

 Cysteic acid, 387. 

 Cystine, 254, 255. 

 Cytochrome, 629. 



— a. 194, 277. 



— b, 194, 277. 



— c, 193, 198, 277. 



— c reductase, 193, 194, 196. 



— oxidase, 196, 277. 

 Cytoflav, 191. 

 Cytosine, 5-methyl-, 513. 

 Cytospora, spp. 109. 



Dates, vitamin content of, 43, 164. 



Deamination, 444. 



Decalso, use in aneurine assays, 39. 



Decarboxylation, 442. 



Dehydration, effect on vitamins in 



foodstuffs, 44, 165. 

 Desoxypyridoxine, 336, 343, 345. 

 Desoxyribonucleic acid, 528. 

 Desthioallobiotin, 416. 

 Desthiobiotin, 410, 416, 419, 438, 439, 



443, 447, 448. 449, 452. 

 )/r-Desthiobiotin, 449. 

 Dialuric acid, 145, 147. 

 Diamine acids, oxidation of, 628. 

 Diamino oxidase, 196. 

 Diaphorase, 192, 194, 204, 625, 627. 

 Diethanolamine, 601. 

 Dihydro-coenzyme I, 194, 277. 



— II. 194, 277. 

 Dihydro-flavoprotein, 193, 277. 

 Dihydro-triphosphopyridine nucleotide, 



193- 



Dihydroxyphenylalanine decarboxylase. 



332. 

 Dimethyl sulphone, 601. 

 Dinicotinyl hydrazine, 293. 

 Diphenylamine, 4-amino-4'-carboxy-, 



560. 

 Diphosphoglyceric acid, 625. 

 Diphosphopyridine nucleotide, 229, 275. 

 Diplococcus pneumoniae, 380, 381, 382, 



397. 515, 55^. 561. 

 3 : 3'-Dipyndyl, 215. 

 Dismutation of pyruvic acid, 95. 

 Dogs, new growth factors required by, 



608. 

 — , vitamin deficiency in, 52, 170, 237, 



319, 367* 426, 490. 573. 590. 

 — , vitamin requirements of, 82, 188, 



378, 594. 

 Drosophila melanogaster, 115, 205, 287, 



341. 389. 

 Drug-fastness, 127, 204, 383. 

 Ducklings, vitamin deficiency in, 170, 



239. 320. 

 — , vitamin requirements of, 189, 329, 



378. 



Egg white factor, 425, 427. 



Eggs, vitamin content of, 44, 45, 165, 



233. 265, 363, 423, 537, 551, 589. 

 Eimeria nieschulzi, 386. 

 Eluate factor, 133, 297, 348. 

 Encephalomyelitis virus, effect of 



aneurine deficiency on, 51. 

 Endomyces magnusii, 107, no, 438. 



— vernalis, 107, 127. 

 Enterococci, 513, 515. 

 Enzyme reactions, 628. 

 Enzymes, riboflavine content of, 190. 

 — , use in aneurine assays, 40. 

 Ephestia elutella, 115, 205, 287, 341, 389. 



— kuehniella, 512. 



Eremothecium Ashbyii, no, 150, 166, 



438, 577. 578, 579. 



Ergothioneine, 601. 



Erysipelothrix rhusiopathiae, 204. 



Erythrocytes, aneurine in, 69. 



Erythrotin. See Vitamin Bjg- 



Escherichia coli, 79, 126, 185, 203, 251, 

 282, 283, 293, 381, 387, 388, 399, 439, 

 442, 444, 449, 453, 487, 510, 515, 517, 

 518, 521. 543, 546, 556, 560, 561, 563. 



Essential metabolites, 546. 



Ethane - sulphonic acid, jS - (ay - di - 

 hydroxy - jS/S - dimethylbutyr- 

 amido)-a-phenyl-, 398. 



, j3 - (ay - dihydroxy - ^^ - diphenyl - 



butyramido)-, 398. 



— — , j3 -(jSjS- dimethyl -y -hydroxy -a- 



tosylbutyramido)-, 398. 

 Ethanol, amino-, 596, 597, 599, 601. 



670 



