SUBJECT INDEX 



967 



Rubberseed oil, constants, 302 

 Kubixanthin, 552, 553 



absorption spectra, 611 



absorption order, 660 



occurrence, 522, 552, 553 



possible stereoisomers, 627 



properties, 605 



structure, 552, 553 

 Rugosa rose, /3-carotene in, 522 



7-carotene in, 540 



lycopene in, 522, 544 



rubixanthin in, 522 

 Rumen, cow, vitamin K2 in, 832 

 Rush, carotenes in, 519 

 Rye germ oil, a-carotene in, 535 



tocopherols in, 797 



Sabinic acid, discover^', 27, 28 



occurrence, 379 



physical constants, 48 

 Sabinic acid etholide, structure, 27 

 Sablefish liver oil, vitamins D in, 772 



vitamin Ds in, 776 

 a-Saccharostanediol, in sugar-cane wax, 



377, 378 

 /J-Saccharostenone. in sugar-cane wax, 



377, 378 

 Safflowerseed oil, composition, 198, 302 



"quick-drying" index, 302 



tocopherols in, 798 

 Saffron crocus, a-carotene in, 535 



7-carotene in, 541 



lycopene in, 545 



zeaxanthin in, 562 

 Salad chervil oil, composition, 202 

 Salamander liver, vitamin A in, 677 

 Salsify (see Goat's beard, flowers) 

 Salmon, cholesterol in. 327 



eggs, astaxanthin in, 591 



fat composition, 187, 188, 190 



liver oil. vitamin A in, 675 

 v^itamin A2 in. 679 

 vitamins D in, 772 



muscle, astacene in, 588 

 /3-carotene in, 525 



retinal pigments in, 682 

 Sandal bead tree nut oil. composition. 208 

 Sand-dab liver oil. vitamins D in, 772 

 Sapodilla seed oil, glyceride composition. 

 233 



Saponification, of waxes, 363, 364 



with dilute acid, 275 



with Twitchell reagent, 275 

 Saponification number, definition, 240 



of common fats, 236 



values for triglycerides, 240, 241 

 Sardine oil, vitamins D in, 772 



vitamin D3 in, 776 

 Sativic acid, from linoleic acid, 158 

 Saturated fatty acids, 10 



discovery, 12 



proportion in lecithin. 425, 426 



separation from unsaturated acids, 69, 

 70, 179, 180 



sources, 12 

 Scallop, pectenoxanthin in, 593 

 Scarlet pimpernel, carotenes in, 518 

 Schwarzkopf synthesis of vitamin A acid, 



721, 722 

 Scotch broom flowers, carotenes in, 521, 

 535 



chrysanthemaxanthin in, 569 



lutein in, 556 



lutein epoxide in, 561 

 Sea anemone, provitamin D in, 747 



sulcatoxanthin in, 592 

 Sea star, astacene in. 587 

 Sea urchin, a-carotene in. 535 



j3-carotene in, 524 



cholesterol in, 327 



echinenone in, 591, 592 



pentaxanthin in, 592 



sterols in, 347 

 Seaweed, provitamin D in, 747 



vitamin Ki in, 831 

 Seal oil, vitamins D in, 773 

 Sebacic acid, discovery, 42 



physical constants, 49 

 Sebacic acid amides, melting points, 139 

 Sedge, carotenes in, 519 

 Sediments, ocean, carotenoids in. 525 

 Selacholeic acid, discoverj^ 15 



physical properties, 46 

 Selachyl alcohol, structure, 392 



synthesis of optically active form, 395 

 Selenite plate test for cerebrosides, 482, 



483 

 Semi-a-carotenone, 538 

 Semi-/3-carotenone, 528 



Ijossible stereoisomers, 627 



properties, 603 

 Semidr>'ing oils, 21 

 Seminal vesicles, tocopherols in, 799, 800 



