TABLE 1.

Plant derived drugs for commercial use in various diseases.

Drug	Class of drug	Plant source	Disease	References
Paclitaxel	Taxanes	Taxus brevifolia	Breast cancer	Cragg (1998)
Ingenol 3-O-angelate	Polyhydroxy diterpenoid	Euphorbia peplus	Skin cancer	Kedei et al. (2004); Ogbourne et al. (2004)
PG490-88(14-succinyl triptolide sodium salt)	Diterpene-diepoxide	Tripterygium wilfordii	Autoimmune and inflammatory diseases	Kiviharju et al. (2002); Fidler et al. (2003)
Tiotropium	Muscarinic receptor antagonist	Atropa belladonna	Asthma and COPD	Kumar and Reddy (2003)
Arteether	Sesquiterpene lactones	Artemisia annua	Antimalarial	Newman and Cragg (2007)
Grandisines A and B	Indole alkaloids	Elaeocarpus grandis	Analgesic	Carroll et al. (2005)
Galantamine hydrobromide	Amaryllidaceae alkaloid	Galanthus nivalis	Alzheimer’s	Howes et al. (2003)
Apomorphine	Dopamine	Papaver somniferum	Parkinson’s	Deleu et al. (2004)