SUBJECT INDEX 



929 



Coumarans and vitamin E biopotency, 



824, 825 

 Coumarins and vitamin E biopotency, 



824 

 Coumaionos and vitamin E biopotency, 



824, 825 

 Countercuirent distribution, for fatty 



acid separation, 184 

 Cowberiy, lutein in, 558 

 Cow depot fat, glyceride composition, 



233 

 Cow, kidney fat, 221 

 milk fat, a-carotene in, 535 

 |3-carotene in, 524 

 composition, 195 

 random distribution and, 222 

 Cow rumen, vitamin K2 in, 832 

 Coward unit for vitamin D, 782 

 Crab, glyceryl ethers in, 393 

 provitamin D in, 747 

 sterols in, 347 

 Criegee's reagent, action of, 160 

 Crisco, solubility of, in liquid propane, 

 270 

 tocopherols in, 798 

 Crocetin, 597-600 

 absorption spectra, 612 

 labile dimethyl, 599 

 monomethyl ester, 600 

 possible stereoisomers, 627 

 relation to carotene, 594 

 stable dimethyl, 599 

 a-Crocetin (Crocetin, stable), 598 

 /3-Crocetin (see Crocetin monomethyl 



ester) 

 7-Crocetin (see Crocetin dimethyl ester, 



stable) 

 Crocetin dimethyl ester, 599 

 absorption spectra, 612 

 labile, 599 

 stable, 599 

 Crocin, 599, 600 

 Crocus, crocetin from, 599 

 Croton bug, vitamin A and, 677 

 Crotonic acid, 13 



Crowfoot, carotenes in flowers, 521 

 carotenes in leaves, 519 

 lutein ester in flowers, 557 

 Cryptochrome, 552 

 Crv'ptoflavin, 551 

 Crj'ptogams, ergosterol in, 357, 745 



sterols in, 348 

 Cryptol, in yeast, 361, 384, 391 



Cryptosterol (see Cryptol) 

 Cryptoxanthin, 549-552 



absorption spectra, 610 



adsorption order, 660 



derivatives, 551, 552 



discovery, 549 



extinction coefficient, 619 



molecular extinction curve, 616 



occurrence, 523, 550, 551 



possible stereoisomers, 627 



properties, 604 



structure, 549, 550 

 Cryptoxanthin acetate, 549 

 Cryptoxanthin mono-epoxide, 551 

 Crystallization, at low temperature for 

 triglyceride analysis, 215, 216 



for fatty acid separation, 182, 183 



from solvents, 182 



heat of, and polymorphic form, 251 

 Cucumber leaves, carotenes from, 518 

 Cucumber seed (mock) oil, composition, 



199 

 Cucurbitaxanthin (see Lutein) 

 \/'-Cumoquinol from pyrolysis of a-toco- 



pherol, 808 

 Cyclic acids, 37 



Cyclopentenophenanthrene (see Sterols) 

 Cynthiaxanthin, 593 

 Cypress, carotenes in leaves of, 520 



rhodoxanthin in, 575 



D 



Daffodil, helenien in, 559 



physalien in, 559 

 Dam unit for vitamin K, 843 

 Damask rose, /3-carotene in, 523 



lycopene in, 544 



rubixanthin in, 552 



taraxanthin in, 570 



zeaxanthin in, 562 

 Dandelion, carotenes from, 518 



lutein esters in, 556, 557 



taraxanthin in, 567, 570 



violaxanthin in, 567 

 Dann units for vitamin K, 843 

 Daphne seed oil, composition, 205 

 Dawul-kurundu seed oil, composition, 205 

 Decalso, as adsorbent, 658 

 Decanedioic acid (see Sebacic acid) 

 Decanoic acid (see Capric acid) 

 n-Decanol (see Capryl alcohol) 

 4-Decenoic acid (see Obtusilic acid) 



