Narcissus and Daffodil

% Galanthamine
% Galanthamine
0.018
0.016
0.014
0.012
0.010
0.008
0.006
0.004
0.002
0.000
0.050
0.045
0.040
0.035
0.030
0.025
0.020
0.015
0.010
0.005
0.000
Galanthamine extraction 265
No fertiliser NH4 / NO3 Fertiliser K / Mg Fertiliser No fertiliser NH4 / NO3 Fertiliser K / Mg Fertiliser Figure 9.6 Galanthamine content in leaf (above) and bulb (below) of Narcissus ‘Carlton’
following the application of different fertilisers. All values calculated on a
fresh weight basis.
is crystallised or precipitated from the raw alkaloid fraction with a suitable solvent
or reagent.
To find a profitable extraction method for galanthamine, the following factors
were taken into consideration:
• Isolation using a simple procedure without expensive steps such as chromatography.
• The isolation method has to guarantee a maximum yield of the desired substance.