Subject Index 



APF, see Animal protein factor, Vitamin 



Bi, 

 Absorption maxima, 



of Carr-Price reaction colors, 87 

 Acetaldehyde, 66, 69 

 Acetic acid, 10,32,246 



vitamin B12 and, 484-485 

 Acetoacetic acid, 



biotin and, 581 



formation from tyrosine, 313 



vitamin B12 and, 484-485 

 Acetone, 



in vitamin A synthesis, 42 

 4-Acetoxybutanone, 2, 39 

 Acetj'lacetone, 



in vitamin B12 assay, 449 

 Acetjienic carbinol, 42 



in vitamin A synthesis, 38-39 

 Acetylglucosamine, 278 

 Acids, 



effect on ascorbic acid retention, 336 

 Acrodynia, 605 



ACTH, see Adrenocorticotropic hormone 

 Adenine, 459 



biotin and, 580 



in pseudovitamin B12 , 410, 486 

 Adenine desoxyriboside, 481 

 Adenosine triphosphatase, 



in scurv}-, 331 

 Adenylic acid, 



in deamination, 583-584 

 Adipic acid, 535 

 Adrenal glands, 



ascorbic acid and, 212, 310, 385 



biotin and, 608 



in hypervitaminosis A, 134 



in scurvy, 296-298, 374 

 Adrenal hormones, 302, 345 

 Adrenaline, 345 



Adrenocorticotrophic hormone, 346, 347, 

 374, 377 



in scurvy, 318-319 



Adsorbents, 



in provitamin A assay, 93-94 

 Alanine, 406 



ascorbic acid and, 315 



deamination of, 583 



in aspartic acid synthesis, 576 



in avidin, 557 

 DL-Alanine, 



in vitamin B12 assay, 456, 465, 475 

 D-Alanine, 



requirement for, 456 

 Albumin/globulin ratio, 343 



in scurvy, 293-294 

 Alcohol, 66, 69 



biotin and, 615 



in dehydroascorbic acid reduction, 236 

 Alcohol dehydrogenase, 45-46, 82, 84, 

 142, 232 



complex with coenzyme, 70 



in visual system, 67-71 



vitamin A and, 67 

 Aldehydes, 



in vitamin A synthesis, 35-39 

 Algae, 



vitamin B12 in, 465, 480 

 Alimentary tract, 



in vitamin A deficiency, 111 

 Alizarin, 382 

 Alkalies, 



effect on ascorbic acid retention, 336 

 Alkaptonuria, 374 

 Allergy, 



ascorbic acid and, 343-344 

 Allobiotin, 546, 574 

 Alloxan, 345 



in vitamin B12 assay, 449 

 Alopecia, 



in biotin deficiency, 589, 600, 603, 613 

 Araeloblasts, 283, 302 

 Amidosulfonic acid, 253 

 Amino acid oxidase, 



biotin and, 576, 584 

 Amino acids, 



deamination of, 576 



vitamin Bu and, 444 



655 



