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Narcissus and Daffodil

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Figures/Plates xvii<br />

7.8 Accumulation of alkaloids in both tissue (shoot-clumps) <strong>and</strong><br />

liquid medium in the experiment with kinetin 225<br />

7.9 Levels of alkaloids released by bulblets treated with paclobutrazol<br />

into the culture medium 227<br />

7.10 Accumulation of alkaloids in both tissue bulblets <strong>and</strong> liquid<br />

medium in the experiment with paclobutrazol 228<br />

7.11 Levels of alkaloids released by shoot-clumps treated with<br />

paclobutrazol into the culture medium 229<br />

7.12 Accumulation of alkaloids in both tissue (shoot-clumps)<br />

<strong>and</strong> liquid medium in the experiment with paclobutrazol 230<br />

7.13 Alkaloid production in bulb-derived shoot-clumps grown<br />

under different sucrose concentrations 233<br />

7.14 Alkaloid production in seed-derived shoot-clumps grown<br />

under different sucrose concentrations 234<br />

7.15 Alkaloid production by plantlets grown in 250ml flasks 236<br />

7.16 Alkaloid production by plantlets grown in 500ml flasks 237<br />

7.17 Comparison between the total production of alkaloids<br />

by plantlets grown in two different flask sizes 238<br />

8.1 Formulae of galanthamine, lycorine <strong>and</strong> fortucine 243<br />

9.1 <strong>Narcissus</strong> ‘Carlton’ 259<br />

9.2 Galanthamine content of bulbs of <strong>Narcissus</strong> ‘Carlton’<br />

over one year 260<br />

9.3 Galanthamine content of aerial parts of <strong>Narcissus</strong> ‘Carlton’<br />

over one year 262<br />

9.4 Galanthamine content of the different plant organs of <strong>Narcissus</strong><br />

‘Carlton’ on a fresh weight basis 263<br />

9.5 HPLC chromatograms of the alkaloids obtained from<br />

different parts of flowering <strong>Narcissus</strong> ‘Carlton’ 264<br />

9.6 Galanthamine content in leaf <strong>and</strong> bulb of <strong>Narcissus</strong> ‘Carlton’<br />

following the application of different fertilisers 265<br />

9.7 HPLC chromatograms of the alkaloid fractions 266<br />

10.1 The effect of developmental stages of <strong>Narcissus</strong> ‘Inglescombe’<br />

on galanthamine content during the 1994 growing season 278<br />

11.1 Chemical structures of Amaryllidaceae alkaloids with<br />

important biological activities 286<br />

12.1 The equilibrium process between narwedine hydrohydienone<br />

<strong>and</strong> its enantiomers. Structure of norbelladine <strong>and</strong><br />

N,O-dimethylnorbelladine 305<br />

12.2 Synthesis of narwedine via N,O-dimethylnorbelladine 307<br />

12.3 Synthesis of narwedine via palladium-containing intermediate 308<br />

12.4 Synthesis of galanthamine via belladine-type benzamide 309

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