916 



SUBJECT INDEX 



All-/ra/i.s-methylbixin, absorption spectra, 



644 

 All-?/r(n.s-methykTOcetin, absorption spec- 

 tra, 644 

 AU-^rans-physalien, stereoisomerization, 



633 

 AU-frans-taraxanthin, stereoisomeriza- 

 tion, 633 

 All-/7Y//i.s-vitamin A, 674 



structure, 696 

 All-f7-ans-zeaxanthin 

 absorption spectra, change by I2, 647 

 extinction, cxs-peak, 648 

 extinction curve, 642 

 specific rotation. 638 

 stereoisomerization, by iodine, 634 

 by melting, 631 

 by refluxing, 633 

 AUocholesterol from cholesterol, 345 

 Alio compounds, conversion to normal 

 series, 342, 343 

 definition, 337 

 o-Allyl-p-carbethoxyphenol, vitamin E 



biopotency, 825 

 o-AIlyl-p-carbox3'phenol, vitamin E bio- 

 potency, 825 

 2-Allyl-l,4-naphthoquinone, vitamin K 



biopotency, 847 

 o-Allylphenol, vitamin E biopotency, 825 

 6-Allylphenol, vitamin E biopotency, 825 

 Almond kernel oil, composition, 198 



constants for, 236 

 Alumina, adsorbent action, 658 

 Amanitine (see Choline) 

 Ambergris, 344 

 Amberlite as adsorbent, 658 

 Amino acids as synergists for antioxi- 

 dants, 298, 299 

 /j-Amino-o-allylphenol, vitamin E biopo- 

 tency, 825 

 4-Amino-2-methyl-l-naphthol hydrochlo- 

 ride, vitamin K biopotency, 857, 859 

 4-Amino-3-methyl-l-naphthol hydrochlo- 

 ride, vitamin K biopotency, 857 

 Amphibia, retinal pigments in, 682, 683 

 Amyl alcohol, boiling point, 307 

 density, 307 

 freezing point, 307 

 refractive index, 307 

 a-Amyrins, components classed as, 391 

 distribution, 384 

 in cotton wax, 377 



j3-Amyrins, components classed as, 391 

 in cotton wax, 377, 384 

 interconversions of, 388, 389 

 Amyrin-isovalerate in snow-brush wax 



376 

 Anadromous fishes, retinal pigments in 



682, 683 

 Anatto, bixin from, 593 

 5,7-Androstadiene-3,17-diol 

 activated, biopotency, 781 

 provitamin D activity, 744 

 Angel-fish liver oil, cholesterol in, 326 

 Angler fish, astaxanthin in, 591 



taraxanthin in, 571 

 Anhydrocapsanthinone, 578 

 Anhydro- semi-^-carotene, 529 

 Anhydrovitamin A, 733-736 

 absorption maxima, 735 

 biological activity, 736 

 distribution, 736 

 extinction coefficient, 735 

 molecular extinction curve, 737 

 properties, 735, 736 

 -SbCls product, extinction coefficient, 



735, 736 

 structure, 734 

 Anilides, melting points, 138 

 Animal fats 

 composition, 184-195 

 factors altering, 235, 237 

 from aquatic forms, 185-191 

 from beef, 192, 193 

 from camel hump, 193 

 from chicken, 193 

 from fresh water vs. salt water 



forms, 185-187 

 from goat, 193 

 from horse, 193 

 from land animals. 191-195 

 from land vs. aquatic forms, 184 

 from lizard, 193 

 from man, 192-194 

 from milk, 194, 195 

 from pig, 192, 193 

 from rat, 192, 193 

 from reindeer, 193 

 from sea birds, 192 

 glycerides in, 235, 237 

 Annulates, cholesterol in, 327 

 Anomalous solubility, 71, 72 

 Ansbacher unit for vitamin K, 843 

 Anteiso series of fatty acids, 37 



