NATURALLY OCCURRING CAROT ENOIDS 33 



CH3 CH3 CH, CH3 



\V \/ 



C CH3 CH3 CH3 CH3 c 



/\ II II /\ 



CH2 C-CH=CH-C = CHCH=CH-C=CHCH=CHCH=C-CH=CHCH=C-CH=CH-C CH^ 



HOCH C-CH3 H3C-C CHOH 



\ / Zeaxanthin \ / 



CH, CH^ 



CH3 CH3 CH3 CH3 



C CH3 CH3 CH3 CH3 c 



CHj C-CH=CH-C=CHCH=CH-C=CHCH=CHCH=C-CH=CHCH=C-CH=CH-CH CHj 



HOCH C-CHj HjC-C CHOH 



\ / Xanthophyll \ / 



CH, CH 



CH3 CH3 CH3 CH3 



\/ \/ 



C CH3 CH3 CH3 CH3 C 



/\ II I I /\ 



CH, C-CH=CH-C=CHCH=CH-C=CHCH=CHCH=C-CH=CHCH=C-CH=CH-C CH^ 



I l\o i I 



HOCH Cr H3C-C CHOH 



\ / \ Antheraxanthin \ y/ 



CH„ CH, CH2 



CH3 CH3 CH3 CH3 



C CH, CH, CH3 CH3 C 



CH, C-CH=CH-C=CHCH=CH-C=CHCH=CHCH=C-CH=CHCH=C-CH=CH-CH CHj 



I |\o II 



HOCH Cr HgC-C CHOH 



\ / \ Xanthophyll epoxide ^ /" 



CH, CH, CH 



CH3 CHj 



C CH3 CH3 



CHj C— CH CH3 CH3 CH3 CH3 C 



HOCH C CH-C=CHCH=CH-C=CHCH=CHCH=C-CH=CHCH=C-CH=CH-CH CH, 



CH,| C CHOH 



CH, Flavoxanthin, Chrysanthemaxanthin X ^\ X 



H3C CH 



Carotenoids 3 



