Tobacco | Pyridine & Piperidine Alkaloids | Aalkaloids | Pharmacognosy

Tobacco
Botanical name:
Nicotiana tabacum.
Family:
Solanaceae
Part used:
Leaves
Plant description:
The plant is a tall annual herb, indigenous to tropical America and is widely cultivated in many countries including Pakistan.
Constituents:
Tobacco leaves contain 0.6-9 % of alkaloid nicotine and a small amount of nor-nicotine.
It is also contains Nicotianine which is called tobacco camphor and is produced during curing.
Uses:
  • ·         It is a local irritant, CNS poisoning and paralyzing and therefore used as insecticide.
  • ·         Nicotine sulphate is also used to control plant lice’s.
  • ·         It is a CNS stimulant. It is used for smoking, chewing and in snuff.





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