Precursors---------> Alkaloids Included:
Precursors---------> Alkaloids Included:
1.Ornithine, putrescine, proline-----> Pyrrole, pyrrolizidine, tropane.
2.Lysine ------> Pyridine, norlupinane.
3.Tyrosine, phenylalanine----->Protoalkaloids, isoquinoline.@@@@@
4.Tryptophan, tryptamine---->Quinoline, indole.
5.Histidine, threonine----->Imidazole.
6.Adenine, purine, xanthine, hypoxanthine------>Purine.
7.Acetate or mevalonic acid------>Steroidal and terpenoid pseudoalkaloids.
Precursors Alkaloids Included
Ornithine, putrescine, proline Pyrrole, pyrrolizidine, tropane
Lysine Pyridine, norlupinane
Tyrosine, phenylalanine Protoalkaloids, isoquinoline
Tryptophan, tryptamine Quinoline, indole
Histidine, threonine Imidazole
Adenine, purine, xanthine, hypoxanthine Purine
Acetate or mevalonic acid Steroidal and terpenoid pseudoalkaloids
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