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Clinical pharmacy PharmD program Third level Phytochemistry-1 (PG-504)

Definition:

They are heterogeneous compounds having bitter taste, composed of carbon, hydrogen and
oxygen, but free from nitrogen. They are mostly vegetable compounds and few animal products

belonging to different chemical groups.

Classification:

I) Phloroglucinol derivatives:

1) Humulone
2) Lupulone

II) Terpenoids:
▪ Monoterpenes

1) Cantharidin
▪ Sesquiterpenes

1) Santonin
2) Picrotoxin

▪ Diterpenes

1) Quassin
2) Ginkgolide A, B, C, J and M
III) Chromones:

1) Khellin

2) Vesnagin
IV) Coumarins:

1) Xanthotoxin
2) Imperatorin
V) Iso-flavones:

1) Rotenone
VI) α– Pyrone derivatives:

1) Kawa lactones

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