J 52 



Colchicine 



350 



5 

 < 



craoo 

 o 



QC 

 UJ 



a 



Q 

 LU 



lij 



CO 



Li. 



o 



cr 250 



QJ 



m 



z 



200 



x/ 



Q5 



1P 

 COLCHICINE °/o 



15 



Fig. 5.2 — Size of seed can be correlated with percentage of colchicine per gram. The 

 smaller seeds yield more colchicine per gram of raw material. Environmental conditions 

 influence the size of seeds. Larger yields occur when number of seeds per gram exceed 

 300. (Adapted from Buchnicek) 



appear grayish at certain points; these mark the vascular bundles ot 

 the corm and are distinct features. In the apical and basal regions 

 the pieces are subconical and plano-convex, respectively. The use of 

 specific marks of identification help to prevent the substitution of 

 material not genuine. 



