SUBJECT INDEX 



981 



Vitamin Ki {continued) : 



synthesis, 838, 839 

 Vitamin Ki hydroquinone diacetate, bio- 

 potency, 855 

 \'itamin Ki hydroquinone diphosphoric 



acid, biopotency, 855 

 Vitamin Ki oxide, biopotency, 852 

 \'itamin K:, absorption maximum, 842 



l)iopotonf'y, 845, 846 



extinction coefficient, 842 



occurrence, 831, 832 



structure, 836-838 

 Vitamin Ka hydroquinone diacetate, bio- 

 potency, 855 

 Vitellorubin, 512 



w 



Wallflower, helenien in, 559 



physalien in, 559 

 Wallflower seed oil, composition, 203 



erucic acid in, 201 

 Walnut seed oil, as drying oil, 301 



composition, 197 

 Water flea, tocopherol requirement, 799 

 Watermelon, o-carotene in, 535 



^-carotene in, 522 



lycopene in, 522, 544 



phytofluene in, 662 

 Watermelon seed oil, composition, 199 

 Water-moccasin venom, lysocephalin, 444 



h'solecithin and, 420 

 Wattle flowers, carotenes in. 521 



lutein in, 557 

 Waxes, 305-383 



composition, 306-312 



definition, 3 



description, animal waxes, 368-372 

 insect waxes, 364-368 

 plant waxes, 372-383 



esters in, 362, 363 



function, 305, 306 



properties, 363, 364 



saturated monatomic alcohols in, 307- 

 309 



unsaturated monatomic alcohols in, 

 310, 311 

 Weavers' broom, phytofluene in, 662 

 Whale oil, 191 



astacene in, 588 



kitol in, 710, 712 



rate of enzymic hydrolvsis, 275 



Whale oil {continued) : 



vitamin A ester in, 689 

 U'heat flour, carotenoids in, 523 

 Wheat germ oil, antioxidant action, 794 



gadusene in, 402 



lutein in, 558 



provitamin D in, 747 



sitosterols in, 352 



tocopherols in, 797, 798 

 White mustardseed oil, composition, 202 

 White sandalwood leaf wax, 378 

 Wijs method for iodine number, 153, 154 

 Wild grapeseed oil, composition, 198 

 Wilkie and DeWitt method for vitamin 



A, 731 

 Winter creeper (flowers), pro-7-carotene 

 in, 624 * 



prolycopene m, 624 

 Witten fat, 176 



Woadwaxen (flowers), carotenes in, 521, 

 535 



lutein in, 557 

 Wolf-fish liver oil, vitamin D3 in, 776 

 Wongshi fruit, crocetin in, 600 

 Woodland angelica oil, composition, 202 

 Wool grease (see Lanolin) 



Xanthin, 511 



Xanthophyll, 511 (see also Lutein) 

 as prooxidant, 300 

 in algae, 572 

 Ximenic acid, discovery, 15 



physical constants, 46 

 X-ray 



diffraction, crystalline structure and, 

 89-95 

 in alcohols, 316, 317 

 in diglycerides, 263-266 

 in fatty acids, 93 

 in mixed triglycerides, 255-262 

 in monoglycerides, 266-269 

 in simple triglycerides, 253, 254 

 in tristearin, 251 

 methods of, 89, 90 

 patterns, 89-95 

 for provitamin D activation, 760 

 m-Xylene from /3-rarotene, 516 

 o-Xylohydroquinone. vitamin E biopo- 

 tencv, 826 



