CONSTITUENTS OF THE BIOSPHERE 



35 



CHs CHa CH, CH, 



\ / \ / 



C CH, CHa CH3 ClU C 



/ \ I I I I / \ 



CHj CCH = CHC=CHCH = CHC=CHCHrrCHCH = CCH = CHCH = CCH = CHC CH^ 



O H,,CC CHOH 



/ \ / 



HOCH C CH, 



\ / \ 

 CH, CH, 



Antheraxaiithin 



CH3 CHs CHs CH» 



\ / \ / 



C CH3 CH3 CH3 CH3 c 



/ \ t I I I / \ 



CHa CCH=:CHC=CHCH=CHC=CHCH=CHCH = CCH = CHCH = CCH=CH-CH CHz 



\ 



O 



HOCH C 



\ / \ 

 CH, CH, 



Xanthophyllepoxide 



I 

 HaCC CHOH 



\ / 

 CH 



CHs CH, 



\ / 

 C 



/ \ 



CH, C = 



CH3 CH, 



\ / 

 :CH CH, CH3 CH, CH, C 



1 I I I 1 I I / \ 



HOCH C CHC=CHCH=CHC=CHCHrrCHCH = CCH = CHCH= CCH=CHCH CH, 



CH, 



\ 



O 



CH, 



Flavoxanthin, Chrysanthemaxanthin 



I I 



C CHOH 



/ \ / 

 H3C CH 



CHt CH, CHs CH, 



\ / \ / 



C CHs CHa CHs CH, C 



/ \ I I I I / \ 



CH, CCH=CHC=:CHCH=CH-C=CHCH=:CHCH=CCH = CHCH= CCH=rCHC CH, 



\ / 



O O 



HOCH C/ \ 



\ / \ C CHOH 



CH, CH, ViolaxanthiP / \ / 



H,C CH, 



CH, CH, 



\ / 

 C 



/ \ 



CH, 



=CH CHs 



CHs 



CHs 



CHs CH, 

 \ / 



C 

 / \ 

 HsC CH==C CH, 



HOCH 



CH, 



\ / 

 O 

 CH, 



CHC=CHCH=CH-C=CHCH = CHCH=C-CH=CHCH=CCH 



CHOH 



Auroxanthin 



o 



H.C 



\ / 

 CH, 



