1050 



SUBJECT INDEX 



Propionic acid (continued): 



ketone bodies from, 125, 128, 129, 



197, 258, 259, 288 

 metabolism, 288, 289 

 occurrence, 254, 255 

 oxidation, 106 



/3-oxidation, and, 72, 78, 259, 289 

 ;8-n-Propyladipic acid, utilization of, 311 

 /i-Propylbenzene, 344 



f-Propyldecanoic acid, metabolism of, 299 

 Propyl gallate, action on lipoxidase, 114 

 7-Propylheptanoic acid, 299 

 a-Propylhexanoic acid, 299 

 /3-Propylhexanoic acid, 298, 299 

 6-Propylnonanoic acid, 299 

 7-Propyloctanoic acid, 299 

 6-PropyIoctanoic acid, 299 

 a-Propylpentanoic acid, 298 

 a-Propyl-/3-phenylpropionic acid, oxida- 

 tion of, 294 

 Propyl-substituted acids, utilization of, 



298, 299 

 Propyl succinate, utilization of, 308, 312 

 Proteins, as binding agent for acetic acid, 

 254 

 as triglyceride source, 9 

 complex with carotenoids, 454, 459, 460, 

 477,478,482,491,496 

 in vision, 569-571 

 with cholesterol, 371 

 with tocopherol, 708 

 with vitamin A, 467, 468, 520, 554, 555 

 dietary, effect on ketosis, 122 124, 140, 

 157-159, 174 

 on lipogenesis, 39 

 on liver phospholipids, 59, 63 

 on vitamin A requirement, 592 

 effect of rancid fat on requirement, 922 

 metabolism, effect of dietary fat on, 855- 

 857 

 effect of tocopherol on, 704-707 

 Prothrombin, effect of anticoagulants on, 

 767-771 

 of bile salts on, 757, 758 

 of dehydroxystearic acid on, 776 

 of vitamin K on, 752, 761 

 level, and bleedmg, 764, 766 

 synthesis in liver, 762-764, 775, 776 



Prothrombin time in hypervitaminosis A, 



608, 618, 619 

 Protoporphyrin from acetate, 270, 271, 



279 " 

 Protozoa, carotenoids in, 466, 467 



sterol requirement, 380 

 Proventiculus, phospholipid synthesis in, 



53 

 Provitamin Dm, 629, 636 

 Provitamin D2 (see Ergosterol) 

 Provitamin \h (see 1-Dehydrocholestfrol) 

 Pi'ovitamins D, 623-636 



activation in vivo, 657, 658 



distribution, 628, 636 



production of vitamin from, 639-641 



structural requirements, 623-628 

 Pseudo-a-carotene, 541 

 Pseudocumene, metabolism of, 342 

 Pseudo-oxybutyric acid (see ^-Hydroxyhu- 



tyric acid) 

 Psittacosis, role of phospholipid in, 249 

 PSM (see Ttveen 80) 

 Pteroylglutamic acid (see Folid acid) 

 Pumpkin seedlings, enzyme from, 100 

 Purines, acetate as C source, 1 38 



synthesis, 282-284 

 Pyridoxine, dietary fat and, 881-884 



EFA requirements and, 807, 819 



effect of rancid fat on, 922 



effect on cholesterol synthesis, 396, 397 

 on choline oxidase, 244 

 on lipogenesis, 40 

 on methylation, 66, 67 



in EFA metabolism, 189, 884 



in fatty acid dehydrogenation, 119 

 Pyrocatecase, 336 

 "Pyrogenicity" of fat injection, 205 

 Pyrophosphate, action of fatty acid dehy- 

 drogenase, 119 



action on lipoxidase, 114 

 Pyruvate, 301 



"acetate C in, 222, 233, 259-261 



acetylation and, 265 



cholesterol from, 381, 383, 396 



combination with acetate, 168, 272-274 



effect of tocopherol on formation, 707 



from acetone, 182 



from acetopyruvic acid, 304 



