SUBJECT INDEX 



573 



Vitamin B {continued) 



synthesis of, 84, 359, 409, 455, 469, 



493 

 tests for, see determination 

 "unit" of, 102, 103 

 Vitamin-B-free basal diet, 100, 103 

 Vitamin Bi, see Vitamin B 

 Vitamin B2, see Vitamin G 

 Vitamin B3, 125, 386, 484 

 Vitamin C, 13-15, 21-23, 148-220, 354, 

 361, 362, 366, 370, Z7Z, 375, 2,77, 

 379-382, 385, 386, 388, 389, 394, 

 400, 405, 406, 408, 411, 417, 418, 

 420, 422, 424-427, 429-432, 434, 

 436, 437, 439, 440, 443-449, 451, 

 455-458, 460, 462-464, 466-468, 

 471, 477, 479, 482, 483, 486, 490, 

 491, 495, 499, 502, 503, 505, 510, 

 516, 518, 522, 523, 525, 531, 

 532 

 adsorption of, 183, 409 

 advantages of young fresh over old 



vegetables, 194 

 basal diets in study of, 162-164, 167, 



169, 175-177, 448, 483 

 chemical properties, 211-220, Z72), 379, 

 385, 388, 389, 409, 417, 437, 445, 

 455 

 color test for, 176, 177, 361, 362, 400, 



436 

 computation of potency, 175 

 concentration of, 181, 182, 213-220, 



379, 405, 424, 427 

 conditions influencing stability, 211- 

 220, 385, 388, 389, 409, 417, 437, 

 445 

 crystalline concentrate of, 215 

 deficiency, 156, 163-168, 171-174, 456, 



466, 477. See also general ac- 

 count of vitamin C 



influence of, upon bones, 163-167 

 upon growth, 172 

 upon infection, 163-166, 456 

 upon teeth, 161-163, 165-168 



determination of, 168-179, 361, 386, 

 400, 422, 448, 483, 499 



destruction of, 173-175, 183-188, 194- 

 201, 211-220, 361, 385, 388, 389, 

 409, 417, 437, 445 



development of, in sprouting of seed, 

 202-205, 425, 449, 458 



dialysis of, 216, 218, 2,72, 



distribution in nature and in foods, 14, 

 148-157, 168-211, 366, 370, 375, 

 Z77, 380, 381, 385, 386, 389, 400, 

 406, 408, 409, 418, 420, 424, 426, 

 427, 429-434, 439, 440, 445-447, 

 451, 456-458, 460, 462-464, 466, 



467, 471, 479, 482, 483, 486, 590, 

 491 



estimation of, by influence on histol- 

 ogy of teeth, 177 



Vitamin C {continued) 



in nutrition and health, 148-168, 354, 



382, 394, 400, 427, 446, 447, 456, 



466, 468, 471, 477 

 injury to teeth in deficiency of, 161- 



168 

 loss of calcium in deficiency of, 163. 



166 

 measurement of vitamin C values, 168- 



179, 361, 386, 400, 422, 448, 483, 



499 

 "minimum protective dose," 165. 166. 



176 

 newer view of protective dose, 177. 



178 

 occurrence, see distribution 

 partial deprivation of, 161-168 

 properties of concentrates, 211-220 

 protocols of experiments, 172-175 

 quantitative studies, 168-220 

 requirements of different species, 148- 



168 

 results with graded allowances of. 



172-175 

 stability (and stabilization) of, 148- 



157, 173-175, 179-213, 217, 385, 



388, 389, 409, 417, 437, 445, 



446 

 standard animals for study of, 169, 



173, 176 

 storage in body, 158-161, 207 

 suggested duality of, 483 

 synthesis of, 155, 159, 160, 202-205, 



425, 449, 458 

 "unit" of, 176 

 Vitamin D, 22, 176, 227, 257, 293-335, 



356, 357, 362, 365, 366, Z72, 374, 



277, 385-388, 395, 405, 406, 409, 



413, 414, 417, 420, 421, 423, 425, 

 427-429, 433, 435, 437, 438, 441, 

 442, 446-448, 454, 456, 458-460, 

 462, 464-466, 470, 474, 478, 480- 

 483, 487, 489, 493-495, 497, 499, 

 501, 505, 507, 509, 510, 518, 519, 

 522, 525, 527-531, 533 



absorption from skin, 429 

 absorption spectrum of, 227, 328, 365, 



480 

 and ultra-violet light, 296-300 

 chemical nature of, 303-314 

 concentrate, chemical properties of, 



310, 456 

 concentration of, 304, 310, 329, 456, 



470 

 deficiency, see Rickets 

 determination, 314-319, 323-326, 374, 



414, 420, 433, 454, 481, 482, 

 509 



diets for determination of, 316-326 

 differentiation (quantitative) from 



vitamin A, 293-296, 420 

 distillation of, 356 



