56 



Figure Ill.i+o 



Characteristic spectral absorption curves of the unique 

 xanthophylls from the Heterokontaeo (See Figure IIIj3 

 and Appendix VI o) ("Moderately adsorbed" and '"weakly 

 adsorbed" refer to magnesia columns^ see Figure 111,3 

 and texto) 



T 



T 



I 



I 



1 — I — I — I r 



XANTHOPHYLLS OF THE HETEROKONTAE 



^FROM VAUCHERIA 

 xFROM TRIBONEMA 

 MODERATELY ADSORBED 



^FROM VAUCHERIA 

 \FROM TRIBONEMA 



WEAKLY ADSORBED 



SOLVENT, ETHANOL 

 J I I I L 



± 



O 



o 



_J 



o 

 o 



_l 



-l_ 



400 



460 



500 mL 



