668 



SUBJECT INDEX 



Miotin, 558 

 Mitochondria, 212 



in ascorbic acid synthesis, 216 

 Molybdenum, 



effect on ascorbic acid synthesis, 219- 

 220 

 Monodchydroascortnc acid, 



in dehydroascorbic acid, reduction, 232 

 Mucopolysaccharides, 280, 334, 372, 374 



in capillary walls, 288 



production in scurvy, 278 

 Mucoprotein, 



"intrinsic factor" and, 493 

 Muscle, 



in biotin deficiency, 601 



in scurvy, 283-285, 373 



in vitamin Bia deficiency, 489-490 

 Mycobacterium tuberculosis, 341 

 Myxoxanthin, 11 



occurrence of, 101 



N 



Neo-/3-carotene U, 164 

 Neoretinenes, 



in rhodopsin synthesis, 47, 79, 81-82 

 Neovitamin A, 3, 26, 55 



biological activity of, 45 



configuration of, 43 



in rhodopsin synthesis, 46 



isolation of, 76 



occurrence and activity, 43-44, 105 



separation of, 92 



storage of, 45 

 Neovitamin Aa, 



bioassays of, 86 

 Neovitamin Ab, 81 

 Neovitamin A aldehyde, 46 

 Nervous system, 



effect of vitamin B12 on, 503, 504 



in scurvy, 285-286 



in vitamin deficiency, 119-124 

 Nicotinamide, 



in visual system, 67 

 Night blindness, 110, 141-142, 143 



measurement of, 142 

 Nitratase, 253 

 p-Nitrobenzoate, 185, 186 

 Nitrogen, 307 



effect on ascorbic acid synthesis, 217- 

 218 



2-Nitroperinaphthindanetrione hydrate, 



in ascorbic acid assay, 259 

 Nitrosocobalamin, 467, see also vitamin 



B1.2 

 Nonylic acid, 581 

 Norbiotin, 567 

 Nordesthiobiotin, 551 

 Normoblasts, 368 



Nucleic acid, 557, see also Desoxyribonu- 

 cleic acid, Ribonucleic acid 



synthesis, 497 



vitamin B12 and, 424, 446 



vitamin Bi2 binding by, 495 

 Nucleoprotein, 557 

 Nucleosidase, 67 

 Nyctalopia, 141 



Ochromouas rnalhatnensis , 



in vitamin B12 assay, 461 

 c?'s-Octadecenoic acids, 



in biotin replacement, 565 

 <?-ans-Octadecenoic acids, 



in biotin replacement, 565 

 Octenedione, 21 

 Odontoblasts, 114, 302, 373, 381, 382, 



in ascorbic acid assay, 381, 382, 385 



in scurvy, 282-283 

 Oleic acid, 576, 589, 595 



in biotin replacement, 564-566, 586, 

 594, 615, 617 



in release of inhibition, 571 

 One carbon units, 



vitamin B12 and, 425-432 

 Ophthalmin, 3 

 Opsin, 45, 60, 82, 84, 142 



formation of, 62 



in rhodopsin synthesis, 73-74 



specificity of, 61 

 Opsonins, 340 

 Ornithine, 580.. 581 

 Ossein, 273 

 Ossification, 



in scurvy, 372-373 

 Osteoblasts, 302, 372 



in scurvy, 274, 281-282 

 Osteoid, 



in scurvy, 372 

 Ovary, 299 

 Oxalacetic acid, 230, 581, 582, 583 



in aspartic acid synthesis, 576-577 



I 



