4 6 



U. SUZUKI. 



Albuminoid nitrogen. 

 Asparagine nitrogen. 

 Nitrogen in phospho- 

 tungstic precipitate. 

 Other nitrogen. 



3-8i 3-13 



1.24 1. 58 



1.62 1.59 



2.06 2.8r 



In 100 parts of total nitrogen. 





. a) 



b) 



Total nitrogen. 



100.0 



I OO.O 



Albuminoid nitrogen. 



43-6 



34-2 



Asparagine nitrogen. 



14.2 



17.2 



Nitrogen in phospho- 







tungstic precipitate. 



18.6 



17.4 



Other nitrogen. 



23.6 



31.2 



Every 100 shoots contained : — 



a) b) 



Total nitrogen. 0.05S4 0.C624 



Albuminoid nitrogen. 0.0255 0.0213 



Asparagine nitrogen. 0.0083 0.010S 

 Nitrogen in phospho- 



tungstic precipitate. 0.0109 0.0108 



Other nitrogen. 0 0137 0.0191 



Calculating the total nitrogen of a) as 100, we have : — 



a) b) 



Total nitrogen. 100.0 106.8 



Albuminoid nitrogen. 43.6 36.5 



Asparagine nitrogen. 14.2 18.4 

 Nitrogen in phospho- 



tungstic precipitate. 18.6 18.6 



Other nitrogen. 23.6 32.7 



Here, by keeping in the dark, some decrease of proteids 

 and increase of asparagine and other amido-compounds was 

 observed but no increase of organic bases. 



