PROPERTIES OF THE CAROTENOIDS 



643 



300 



500 



Fig. 2 

 solution 

 at room 



400 

 WAVE LENGTH IN MJUU 



3. Molecular extinction curves for gazaniaxanthin in hexane: ( — ) fresh 

 of all-<rans compound ; (- -) mixture of stereoisomers after iodine catalysis 

 temperature in light. ^^^ 



." 10 



300 



400 500 



WAVE LENGTH IN MJi, 



Fig. 24, Molecular extinction curves for capsanthin in benzene: ( — ) fresh 

 solution of all-^rans compound ; (- -) mixture of stereoisoniers after iodine catalysis 

 at room temperature in light.^*i 



