SUBJECS INDEX 



747 



Creatinine, in pantothenic acid defi- 

 ciency, 665 

 Creatinuria, inositol and, 374 

 Crotonic acid, synthesis of, 619 

 Curare, 



niacin and, 577 



resemblance to choline, 124 

 Cyanide, effect on choline oxidase, 36 

 Cyanogen bromide, in niacin estimation, 



534-535 

 S-Cyanopj^idine, 475 



formation of, 472 



niacinamide synthesis from, 477 

 Cyclohexitols, see Inositols 

 Cyclopentitols, 329 

 Cyclotetritols, 329 

 Cysteamine, 613, 625 



in coenzyme A, 606 

 Cj^steine, 44, 51 



in acetylation systems, 618 

 Cysteinesulfinic acid, coenzyme in oxi- 

 dation of, 481 

 Cystine, 129,380,605,655 



deficiency, 75 



effect on choline oxidase, 36 



effect on fatty liver, 20 



fatty acids and, 285-286 



in choline deficiency, 71, 74, 76-78, 

 79, 82 



in diet of chicks, 94 



in inositol deficiency, 368 



in pellagra, 553 



methionine toxicity and, 95 



niacin toxicity and, 573 



relation to methionine, 21 



serine and, 43 

 Cytochrome, 497 



fatty acids and, 286 

 Cytochrome c, 39 



choline oxidase and, 34, 35, 36 



in triphosphopjTidine nucleotide esti- 

 mation, 511 

 Cytochrome oxidase, 



in fat deficiency, 277 



in osteoblasts, 237 



lipid in, 278 



Dambonitol, 334 

 Dambose, see Inositol 

 Deformities, in rickets, 238 



7-Dehydrocampesterol, 141 



as provitamin D, 146, 206 

 Dehydrocholestenone, 142 

 7-Dehydrocholesterol, (Provitamin D3) 

 activation of, 214 

 formation from cholesterol, 208 

 halides, provitamin D activity of, 143 

 in invertebrates, 155 

 in vitamin D estimation, 217 

 occurrence of, 132, 137, 154-155 

 properties of, 201-202 

 source in animals, 158 

 synthesis of, 140 

 7-Dehydroclionasterol, 141 

 as provitamin D, 146 

 in invertebrates, 155 

 7-Dehydroepicholesterol, 

 as provitamin D, 144, 207 

 synthesis of, 142 

 7-Dehydro-3-homocholesterol, 144 

 7-Dehydrositosterol, 136, 141, 203 



as provitamin D, 146 

 7-Dehydrostigmasterol, 141 



as provitamin D, 146 

 7-Dehydrothiocholesterol, as provita- 

 min D, 144 

 Dephospho-coenzyme A, synthesis of, 



604-605, 608 

 Dermatitis, in pantothenic acid de- 

 ficiency, 656-657, 659, 667-668 

 Desaminodiphosphopj'ridine nucleo- 

 tide, activity of, 493-494 

 Desoxycholic acid, in vitamin K absorp- 

 tion, 425 

 Desoxycorticosterone, in choline de- 

 ficiency, 73 

 Desoxycortisone, achromotrichia and, 



655 

 Desoxypyridoxine, 585 

 Diaphysis, 233 

 1,2,5,6-Dibenzanthracene, choline and, 



89 

 Dibromostearic acid, in linoleic acid 



isolation, 271 

 Dichlorohydrin, in vitamin D estima- 

 tion, 217 

 Dichlorophenolindophenol, in vitamin 



K estimation, 414 

 Dicoumarin, see Dicoumerol 

 Dicoumarol, 419 

 effect on microorganisms, 439 



