57 



Figure 111,50 Characteristic spectral absorption curves of the unique 

 xanthophylls from the Heterokontaeo (See Figure III^Jo) 

 ("Moderately adsorbed" and "weakly adsorbed" refer to 

 magnesia columns^ see Figure IIIs,5 *nd text,) 



T 



T 



T 



-1 — I — r 



VAUCHERIA XANTHOPHYLLS 



WEAKLY ADSORBED 



SOLVENT, PETROLEUM ETHER 



I I I I I I I L 



O 

 O 



o 

 o 



400 



450 



500 



mu 



