SUBJECT INDEX 



1053 



Rat {continued): 



palmitic acid metabolism, 221, 222 

 phospholipids, biosynthesis in liver, 51, 

 52, 60, 65, 68 



in brain, 56 



in fetal Uver, 58 



in muscle, 55 



lipotropic agents and, 64 

 prothrombin formation, 762 

 provitamin D in, 632, 633 

 purine synthesis, 282, 283 

 pyruvate metabolism, 261 

 RQ in, 227, 232 

 serine synthesis, 284 

 sphingosine synthesis, 67 

 squalene absorption, 388 



metabolism, 324 

 sterols absorption, 366, 367 

 tocopherols in, 692-694, 699 



absorption, 698 



deficiency, 685, 706, 707, 710, 711, 

 714^720, 723-725, 727 

 symptoms, 718, 719, 721-723, 730, 

 732-734 



requirement, 747, 748 



sparing action in vitamin A, 739 

 vitamin A, absorption, 434-436 



deficiency, 594-598 



hypervitaminosis, 471, 606-610, 615 



in blood, 470, 471, 474, 580 



in kidney, 525, 526 



in liver, 466, 468, 469, 516, 518-529, 

 580 



in lymph, 455 



in tissues, 517 



toxic levels, 611-613 



requirement, 577, 579-581, 591 



utilization of anhydrovitamin, 553 

 of neovitamin, 548 

 of As, 546, 547 

 vitamin D, absorption, 651, 653 



action on phytase, 669 



biopotency in, 637 



effect on Ca, P metabolism, 662-665 

 on intestinal pH, 675, 767 



hypervitaminosis in, 680 



in tissues, 656, 658 



toxic levels, 681 



Rat in {continued): 



vitamin K, absorption, 757, 758 

 deficiency, 773 

 requirement, 780 

 toxic doses, 778 

 Red-berrj^ bryony oil, 320 

 Red bread mold, methylation of ethanola- 

 mine in, 66 

 ergosterol formation in, 415 

 Rehydrovitamin A, 553 

 Reproduction, in EFA deficiency, 820-822 



role of tocopherol in, 714-718 

 Reptiles, carotenoids in, 502, 503 



vitamin A in, 440, 441, 502, 503, 509 

 Resorption gestation, effect of antioxidants 



on, 740, 741 

 Respiratory metabolism, vitamin D effect 



on, 674 

 Respiratory tract, in vitamin A deficiency, 



596, 602, 603 

 Retina, carotenoids in, 451, 460, 504, 505, 

 512,513 

 in vitamin A deficiency, 595, 596 

 pigments in, 569, 570 

 synthesis of rhodopsin in, 571-575 

 vitamin A in, 495, 580 

 Retinene, 484, 487, 569-576, 601 

 biopotency, 550 

 combination with protein, 468 

 from iodopsin, 570 

 from rhodopsin, 569 

 from vitamin A, 550, 567 

 in carotene conversion, 453 

 stereoisomeric forms, 550, 551 

 synthesis of rhodopsin from, 571, 572 

 vitamin A from, 451-453, 549 

 Retinenes, 452, 453, 549, 570, 571, 575 

 as provitamin A, 550, 570 

 from porphj-ropsin, 569, 570 

 from vitamin A2, 550 

 lycopene and, 550 

 Retinene oxime, 572 

 Retinene reductase, 452, 453, 569, 571, 



572, 601 

 Respiratory quotient, and extrahepatic 

 oxidation of fat, 1 95 

 changes in liver, 231 

 effect of dietary fat on tissue, 853 



