STRUCTURE AND FUNCTION OF CHLOROPLASTS AND CHROMATOPHORES 273 



7,8,1 i,i2,i5,i5',i2',ii',8',7'-decahydrolycopene 



(lycopersene) 





l\ 



Phvtoene 



Phytofluene 



I 



^-Carotene 





Neurosporene 



Lycopene 

 Fig. 3. The conversion of C-40 polyenes into lycopene. 



VOL. II. — T 



