CAROTENOIDS 



Table 22 

 Carotenoid Content of some Marine Algae"* 



♦ From Seybold, A., and Egle, K. (1938), jfahrb. iviss. Botan., 86, 50. 

 t Not fucoxanthin. 



COMPARISON OF HIGHER PLANTS WITH ALGAE 



Algae in common with the higher plants invariably contain (3- 

 carotene mixed with varying proportions of a-carotene. Lutein 

 (xanthophyll) also appears to be universally distributed, but is much 



138 



