SUBJECT INDEX 



Barbituric acid, 5 : 5-dichloro-, 146, 147. 

 Barcelona nuts, vitamin content of, 43. 

 Barley, vitamin content of, 43, 164, 232, 



316. 363, 587, 588. 

 Beans, vitamin content of, 43, 164, 205, 



233, 363, 588. 

 Bee bread, 44. 

 Bee larvae, 441. 

 Beef, vitamin content of, 44, 166, 234, 



235, 316, 363, 537, 588. 

 Beer, vitamin content of, 44, 167, 235, 



317- 

 Beetles, vitamin requirements of, 115, 



205, 287, 341, 389, 441, 512. 

 Beetroots, vitamin content of, 43, 164, 



233, 316, 363. 588. 

 Benzamide, />-amino, 560. 

 — , 4-aniino-3-methyl-, 561. 

 Benzene, 6-amino- 1 -carbethoxyamino- 



3 : 4-methyl-, 140. 

 — , 4 - amino -1:2- dimethyl - 5 - 



methylamino-, 136. 

 — , 5 - amino -1:2- dimethyl - 4 - 



nitro-, 140, 143. 

 — , 4 - amino -1:2- dimethyl - 5 - 



(D - I ' - ribitylamino) -, 140, 143, 



207. 

 — , 4 - amino -1:2- dimethyl - 5 - 



tetraacetyl ribitylamino-, 146. 

 — , I - carbethoxyamino - 3 : 4 - di - 



methyl-, 140. 

 — , I - carbethoxyamino - 3 : 4 - di - 



methyl-6-nitro-, 140. 

 — , I : 2-dimethyl-4 : 5-dinitro-, 140. 

 — , 3 : 4-dimethyl-i -nitro-, 140. 

 — , 1:2- dimethyl - 4 - nitro - 5 - (D - 



I '-ribitylamino)-, 140, 143. 

 Benzene-sulphonamide, ^-amino-. See 



Sulphanilamide. 

 Benzimidazole, 5 : 6-dimethyl-, 533. 

 5 : 6-Benzoflavines, g-substituted, 207. 

 Benzoic acid, o-amino-, 560. 



, p - amino-. See p - Aminobenzoic 



acid. 



, 4 - amino - 2 - chloro - , 388, 561, 



562, 563. 



, 4-amino-3-chloro-, 561. 



, 4-amino-3-hydroxy-, 561. 



, 4-amino-3-methyl-, 562. 



, 4-(4'-aminobenzamido)-, 562. 



, 4- {[{2 - amino - 4 - hydroxy - 6 - 



pteridyl) - methyl] - amino} -. 

 See Pteroic acid. 



, 3 : 4-diamino-, 561. 



, ^-hydroxy-, 560. 



, ^-nitro-, 560. 



Benzophenone, ^-amino-, 560. 

 — , ^^'-diamino-, 560. 

 Beriberi, 2, 9, 56. 



Betaine, 254, 255, 582, 597, 600, 601, 



603. 

 Betaine aldehyde, 603. 

 Bios, 4, 105, 281, 338, 349, 404, 564. 

 a-Biotin, 405, 406, 410, 420. 

 j3-Biotin, 405, 406, 420. 

 ^^i-Biotin, 418. 

 Biotin-Ci*, 444. 

 Biotin 



analogues of, 446-456. 



animal and human requirements of, 



436-437- 

 antagonists of, 452-454. 

 cancer and, 429. 



chemical constitution of, 407-414. 

 configuration of isomeric forms of, 



416. 

 discovery of, 404-405. 

 effect of deficiency in animals, 424- 

 432. 



man, 432-433. 



effect on higher plants, 441. 



estimation of, 421-423. 



fatty liver formation and, 438, 573, 



591. 

 folic acid and, 428, 434. 

 function of, 442-445, 

 human and animal requirements of, 



436-437- 

 infected animals and, 429. 

 in nutrition of micro-organisms, 438- 



441. 

 intestinal synthesis of, 434-436, 

 isolation of, 406-407. 

 isomers of, 446. 

 metabolism of, 433-434. 

 microbiological assay of, 421-422, 

 occurrence in foodstuffs, 423-424. 

 pantothenic acid and, 367, 428. 

 pharmacological action of, 437-438. 

 properties of, 420-421. 

 requirements of insects, 441-442, 

 resolution of, 415. 

 stability of, 421, 

 synthesis of, 414-420. 

 Biotin methyl ester, 404, 405, 406, 407, 

 421. 



— sulphone, 407, 410, 447, 452, 453. 

 Bishomobiotin, 453. 



— ^ sulphone, 453. 

 Bishomooxybiotin, 452, 

 Bisnoroxybiotin, 452. 

 Bis - (j3 - pantoylaminoethyl) monosul - 

 phide, 398. 



— disulphide, 398. 



— sulphone, 398. 



— sulphoxide, 398. 

 Bisulphite-binding substances in blood, 



90. 

 Blackberries, vitamin content of, 43. 



667 



