Plate II. Crystalline forms of some carotenoids 



Taraxanthin from methanol-ether 



Fucoxanthin from methanol-etlier 



Capsanthin from carbon disulphide- 

 petrol 



Crocetin dimethyl ester from 



chloroform-ethanol (top) 



Crocetin from pyridine (bottom) 



'"/'V 



X 



"^^ / 



Bixin from ethvl acetate 



Azafrin metliyl ester from toluene (top) 

 Azafrin from toluene (bottom) 



