Skipjack flesh 250 g, , clear alcohol extract 



Passed through activated carbon column 



Filtrate evaporated to dryness and extracted 

 with petroleum ether 



Residue dissolved in alcohol 



Passed through 



Duolite A- 3 anion 



colunnn 



Figure 9, --Fractionation of an alcohol extract of skipjack flesh: 

 procedure and results in experiments Nos, 178, 179, 

 181. and 182, 



44 



