TIME, min. 



Fig. 3. Progress of indole-3-acetic acid oxidation in the presence of riboflavin- 

 phosphate in darkness. Systems standard, riboflavinphosphate concentration: A, 0; 

 B, 0.126 ixM; C, 0.188 /xM; D, 0.375 ,iM; E, 0.63 /mM; F, 3.65 fiM. 



