962 



SUBJECT INDEX 



Pelt, rat, tocopherols in, 800 

 Pemphigus alcohol, 310 

 Pentacosane, in shellac wax, 368 

 Penis, lat, tocopherols in, 800 

 Pentacosane, in shellac wax, 368 

 Pentacosanoic acid, long spacings, 97 



melting point, 50 

 ?/-Pentacosanol (see Pentacosyl alcohol) 

 Pentacosanonitrile. melting point, 142 

 Pentacosyl alcohol, constants, 307 

 Pentadecenal, constants, 128 

 Pentadecanoic acid 

 boiling point, 110 

 density, 100 

 long spacings, 97 

 melting point, 50 

 molecular refractivity, 104 

 molecular volume, 102 

 refractive index, 104 

 solubility, in benzene, 59, 60 

 in ?i-butanol, 61 

 in cyclohexane, 59, 60 

 in ethanol, 61, 62 

 in isopropanol, 62, 63 

 in organic solvents, 63-65 

 in water, 57-59 

 viscosity, 107 

 water solubility in. 57-59 

 Pentadecanoic anhy(lrid(\ melting i)oint, 



135 

 »-Pentadecanol (see Penladccyl alcohol) 

 Pentadecanoyl chloride, boiling point, 146 

 14-Pentadecenol, constants. 310 

 Pentadecyl alcohol, constants, 307 

 Pentadecyl palmitate, melting point, 119 

 Pentamethylcerasine, 487 

 2,2,5,7,8- Pentamethyl-6-hydroxychroman, 



vitamin E biopotency, 823 

 2,3,5,7 ,8-Pentamethyl-6-hydroxychromau, 



\itamin E biopotency, 823 

 2.3,4,6.7 - Pentamethyl- 5 -hydroxycouma- 



ran, vitamin E biopotency, 824 

 Pentanedioic acid (see Glutaric acid) 

 H-Pentanol (see Amyl alcohol) 

 Pentatriacontane, in cherry cuticle wax. 

 382 

 in sugar-cane wax, 378, 403 

 Pentaxanthin, 592 

 absorption .spectia. 611 

 properties, 605 

 Pepper, phytofluene in, 663 

 Pepper tree leaves, carotenes in, 520 



Perch, astaxanthin in, 591 

 liver oil, vitamin A in, 675 

 vitamin Ai and As in, 679 

 vitamins D in, 772 

 retinal pigments in, 682 

 Perhydrocapsanthin, 577 

 Perliydrocarotene, 515 



properties, 603 

 Perhydrocrocetin. 599 

 Perhydrolutein, 561 

 Perhydrolycoijene, 543. 546 

 Perhydrophysalien, 563 

 Perhydrovitainin A, 691, 692 



synthesis, 674 

 Peridinin, in algae, 572 

 Perilla seed oil, composition. 197. 302 



"quick-drying" index. 302 

 "Periwinkle" pro\itamin D. constants. 



749 

 Peroxide value of fats, test for, 285-288 

 Persian melon, phytofluene in. 622 

 Persimmon, a-carotene in, 535 

 /3-carotene in, 523 

 cryptoxanthin in, 550 

 lycopene in, 544 

 ph.vtofluono in, 663 

 \iolaxanthin in, 567 

 zcaxanthin ester in. 562 

 Petaloxanthin. 585, 586 

 absorption spectra, 611 

 adsorption order, 660 

 properties, 605 

 Petro.selaidic acid, 53, 54 

 Petroselinic acid, composition of fals 

 with high content, 201-203 

 discovery, 14 

 physical constants, 46 

 specific gravity, 100 

 Plianerogams, sterols in. 348 

 Pheasant, astaxanthin in, 591 

 Phellonic acid, 28 



in tree bark waxes, 379 

 Phenols as antioxidants, 289 

 Phenylcinnamyl ether, vitamin E biopo- 

 tency, 825 

 Phenylhexenyl ether, vitamin E bio])o- 



tency, 825 

 Phloionic acid, in tree bark waxes, 379 

 Phosphatidic acid, 466-470 

 as secondary products, 469 

 cardiolipin, 469, 470 

 definition, 4 



