Indole compounds in photoinduced plants 



Table 1 



Percentage recovery of added lAA and tryptophan from control and treated tomato tissue with water at 

 ^\Q'C on paper partition chromatograms. Results of two experiments (A and B) 



t Tryptophan was recovered from the aqueous fractions. 



{ The Rf vahie of this compound corresponds to that for 3-indole-pyruvic acid and agrees with that reported by 

 Stowe and Thimann (195-1). 



Table 2 

 Percentage recovery of JAA and tryptophan from treated tomato tissue with absolute ethanol and with 



mixtures of ethanol and water at — 10 C 



Treatment 



Percent of lAA recovered with 

 Absolute ethanol Ethanol-water (4:1) 



Tissue + 80 mg lAA 



Tissue + 80 mg tryptophan 



Tissue (control) 



80 mg lAA 



80 mg tryptophan 



100 

 

 



100 

 



100 







2-lt 

 100 

 13 



t Micrograms of lAA recovered from control tissue. 



Table 3 

 Percentage recovery of lAA and tryptophan from spinach tissue with water and 



with absolute ethanol at — lO'C 



59 



