SUBJECT INDEX 



381 



a-Ionone ring 47 



/?-Ionone ring 47, 49 



/?-Ionone ring, in relation to vitamin A 



activity 15 

 Isocarotene 137, 361 

 Isogeronic acid 153 

 Isolation of carotenoids 20 

 Isomerism 38 

 Isoprene 29 

 IsopropyUdene group, determination of 



45 



K 

 Kaolin 26 

 Kieselguhr 26 



L 



Leprotin 338 

 Levulinic aldehyde 119 

 Levulinic acid 119 

 Liver 12 



Luteochrome 148 

 Lycopersene 124 

 Lycopene 30, 113 



- Constitution 117 



- Derivatives 121 



- Formation 119 



- History 113 



- Isolation 116 



- Occurrence 113 



- Properties 120, 349, 361 

 Lycopenal 118, 122 

 Lycophyll 31, 213 



- Constitution 213 



- History 213 



- Preparation 213 



- Properties 214 

 Lycophyll dipalmitate 214 

 Lycoxanthin 31, 171 



- Constitution 171 



- Historj^ 171 



- Preparation 171 



- Properties 172 

 Lycoxanthin monoacetate 172 



M 



Magnesium oxide 26 



Manganese acetate 267 



Methanol 27 



Methylazafrin 357 



Methylazafrinone 357 



Methoxyl group, determination of 45 



Methyl bixin (labile) 259, 261, 264, 356 



Methyl bixin (stable) 262, 264 



Methyl w-butyl norbixin 270 



Methylene chloride 27 



Methyl ethyl norbixin 270 



Methyl glyoxal 257 



Methyl heptenone 118 



Methyl->z-octadecyl norbixin 270 



Methyl-M-octyl norbixin 270 



Microhydrogenation 44 



Molecular weight, determination of 51 



Mutatochrome 31, 138, 147 



Mutatoxanthin 100, 104 



Mytiloxanthin 339 



Myxoxanthin 32, 225 



- Constitution 226 



- History 225 



- Preparation 225 



- Properties 226 

 Myxoxanthin oxime 227 

 Myxoxanthol 227 

 Myxoxanthophyll 227 

 Myxoxanthophyll tetra-acetate 229 



N 



Neocapsanthin A 249 

 Neocapsanthin B 249 

 Neocapsanthin C 249 

 Neocapsanthin dipalmitate I 249 

 Neocapsanthin dipalmitate II 249 

 Neocapsorubin A 253 

 Neocapsorubin B 253 

 Neocapsorubin dipalmitate I 253 

 Neocapsorubin dipalmitate II 253 

 Neo-a-carotene 157 

 Neo-/?-carotene 150 

 Neo-y-carotene 164 

 Neocelaxanthin 317 

 Neocryptoxanthin 180 

 Neohydroxy-/?-carotene 

 Neolycopene 124 

 Neomethylbixin A 261 



- C 261 

 Neosemi-/?-carotenone 140 

 Neotaraxanthin 323 

 Neozeaxanthin 188, 189 

 Neurospora 340 



Nitric acid 7 

 NorbLxin 119 

 Norbixin (labile) 264 

 Norbixin (stable) 261 

 Norbixin monoethyl ester 270 

 Norite A 26 



w-Octadecyl bixin ester 270 

 w-Octyl bixin ester 270 

 Optical rotation 49 

 Oscillaxanthin 335 



