SUBJECT INDEX 



977 



Triolein (continued) : 



content in fats, 234 



from goose and duck fat, 209 



long and short spacings, 253 



melting points, 253 



molecular weight, 241 



monomolecular film, 76 



polymorphism, 253 



saponification value, 241 

 Tripalmitin, from rabbit fat, 209 



long and short spacings, 253 



melting points, 253 



molecular weight, 241 



I)olymorphism, 253 



saponification value, 241 



solubility, in liquid propane, 270 

 Tripalmitylsphingosine, 465 

 Tripentadecylin, constants, 253 

 Tristearin, from mutton tallow and beef 

 tallow, 207 



long and short spacings, 253 



melting points, 253 



molecular weight, 241 



monomolecular film, 76 



polymorphism, 253 



saponification value, 241 



solubility, in liquid propane, 270 

 Triterpenes, 383-392 



classification, 390, 391 

 Tritriacontane, in candelilla wax, 376 



in Ghedda wax, 365 

 Tritridecylin, constants, 253 

 Trit^'l, in glyceride synthesis, 168-172 

 Triundecylin, deposition in animal fat, 

 237 



long and short spacings, 253 



melting points, 253 



polymorphic forms, 253 

 Trout, retinal pigments in, 682 



vitamins Ai and A2 in, 678, 679 

 Trumpet vine, phytofluene in, 662 

 Tsuzuic acid, discoveiy, 14 



physical constants, 46 

 Tswett column, 653, 654 

 TTH-paraffin fat, 176 

 Tubercle bacilli, 383 



(i-eicosanol-2 in, 310 



inositol in, 450 



mycocerosic acid in, 32, 35 



mycolic acid in, 32, 35, 383 



fi-octadecanol-2 in, 310 



phthiocerol in, 311, 383 



phthioic acid in, 32, 34, 383 



Tubercle bacilli (continued) : 



tuberculostearic acid in, 32, 34, 383 

 Tuberculostearic acid, discovery. 32 



in tubercle bacilli, 383 



structure, 34 

 Tucuma fat, "association ratio" of fatty 



acids in, 218, 220 

 Tulip, violaxanthin in, 567 

 Tuna liver oil, tocopherols in, 799 



vitamin A in, 676, 689 



vitamins D in, 772, 773 



vitamin D3 in, 776 

 Tung oil, as drying oil, 301 



composition, 202 

 Tunica propria, vitamin A in, 677 

 "Tuning-fork" arrangement of symmetri- 

 cal diacid triglycerides, 258 

 Turbidity point of cholesteryl esters, 330, 



331 

 Turkey, action of vitamins D on, 771, 772 

 Turluru kernel oil, "association ratio" 

 of fatty acids in, 218, 220 



composition, 205, 218 

 Turtle eggs, vitamins D in, 774 

 Twitchell's determination, 69, 70, 179, 180 

 Twitchell's reagent (see Twitchell's de- 

 termination) 



u 



Ultraviolet rays for provitamin D activa- 

 tion, 760 

 Umbelliferone, in grapefruit wax, 382 

 Undecanal, constants, 128 

 Undecanoic acid 

 boiling point, 110 

 density, 100 

 interfacial tension, 106 

 melting point, 50 

 molecular refractivity, 104 

 molecular volume, 102 

 refractive index, 104 

 solubility, in benzene, 59, 60 



in n-butanol, 61 



in cyclohexane, 59, 60 



in ethanol, 61, 62 



in isopropanol, 62, 63 



in organic solvents, 63-65 



in water, 57-59 

 specific volume, 101 

 surface tension, 106 

 viscosity, 107 

 water solubility in, 57-59 



