730 



INDEX 



Echinodermata, B vitamin requirements 



of, 309 

 Effects of B vitamins, 377 et seq. (See 

 also specific vitamins) 



pharmacological, 385-391 



toxicological, 385-391 

 Eggs, 



experiments with, 246 



riboflavin content of, 351 

 Egg white diets, effect on insects, 314 

 Embryonic development, B vitamins 



and, 383 

 Endocrine function, effect of B vitamins 



on, 380 

 Endocrine glands, metabolic activity of, 



380-384 

 Energy, 



acetylcholine metabolism in produc- 

 tion of, 237 



chemical, 235 



conservation of chemical, 101 



conservation of, in aerobic respiration, 

 150 



electrical, 236-237 



from pyrophosphate bonds, 163 



mechanical, 236 



radiant, 237-238 



thermal, 236 

 Energy transformations, 



in biological systems, 100, 235 et seq. 



nicotinic acid coenzyme in, 140 

 Environment, effect on B vitamin re- 

 quirement, 264 

 Enzymatic action, inhibition of, 445 

 Enzymatic reactions, 99 et seq. 



general processes of, 100 



inactivation of B vitamins, 292 



outline of types, 104-105 



requirements for characterization, 100 



vitamins required, 104-105 

 Enzyme activators, 110 

 Enzyme systems, components of, 108 

 "Enzyme-substrate union," 116 

 Enzymes, 108 



changes in total effect of concentration 

 of, 462 



coenzymes, 108 



cofactors, 108 



environmental conditions, 108 



hydrolytic, 125 



"poisons," 443 

 Ergot alkaloids, 336 

 Erythein, 14-15, 415 

 Erythropoiesis, 



stimulation of, 203 



folic acid and, 383 

 Erythro-, 475 

 Erythrotide, 475 

 Erythrotin, 14-15, 415, 475 

 Essential choline, 278-279 

 Esters, formation of, 195 

 a-Estradiol, detoxification of, 382 



Estrogens, 



inactivation by liver, 382 



effect of B vitamins on inactivation, 

 382 

 Estrone, detoxification of, 382 

 Estrus cycle, B vitamins and, 383 

 Ethanol, formation of, 222 

 Ethanolamine, 10, 181, 290 

 Excretion of B vitamins 



dermal, 368-369 



fecal levels, 366-369 



individual variations, 369-370 



in plants, 337-338 



studies on, 254-257 



urinary levels, 364-368 

 Excretion of pyramine, 255 

 Extraction of B vitamins, 30 et seq. 

 "Extrinsic" factors, 206 

 Exuviation, B vitamin requirements in, 

 311 



Factors, unidentified, 244 

 "Factor V," 133 

 FAD, 143 



Fasting urine specimens, 255 

 Fat metabolism, relation of vitamin B 8 

 to, 185-186 



vitamin requirements for, 229 

 Fats, 



effect on B vitamin requirements, 276 



formation of, 195, 228 



hydrolysis of, 228 

 Fat soluble compounds, 4 

 Fat soluble vitamins, relation to repro- 

 duction, 381 

 Fatty acid dehydrogenase, 152 

 Fatty acids, 



metabolism of, 225 et seq. 



role of Coenzyme A in formation, 195 



role of phosphoryl-acetyl compound in 

 metabolism, 225 



sparing effect on vitamins, 227 



synthesis from carbohydrates, 222 



unsaturated, formation of, 227 



vitamins required in metabolism, 225 

 Fatty liver, prevention of, 127 

 Feces, 



B vitamin excretion in, 256, 257, 300, 

 344, 366-367, 368-369 



pantothenate content, 259 



daily excretion of B vitamins in, 366- 

 367 

 Fermentation L. casei factor, 39 

 "Fern poisoning," 295 

 Fertilizers, effect of on B vitamins in 



crops, 80 

 Fever, effect on B vitamin requirements, 



273 

 "Filtrate factor," 54 

 "Fitness," 245 



Flavinadeninedinucleotide, 142, 143 

 Flavoproteins, 7, 32, 141 



