Page 29 - Phytochemistry 2 (06-PG 605)
P. 29

It is neutral alkaloid & may be extracted from either acidic or alkaline solution by
CHCl3.

• With conc. acids  Allocolchicine (Colchicic acid methyl ester)
                                                                 (ring C →benzenoid)

Quantitative estimation
Gravimetric method. 
Spectrophotometric method. 

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