614 



VI. CAROTENOIDS AND RELATED COMPOUNDS 



300 400 



WAVE LENGTH IN Mja 



500 



Fig. 4. Molecular extinction curve for /3-carotene in hexane.*'^ 



o 9 





400 



450 500 



WAVE LENGTH IN MJJ. 



"ig. 5. Molecular extinction curve for 

 i8-carotene in Wesson oil.*'" 



