Table 1.

Classification of natural coumarins.

Class	General Structure	Examples
Simple coumarins		Osthole (neuroprotective, osteogenic, immunomodulatory, anticancer, hepatoprotective, cardiovascular protective and antimicrobial) [13]
Furanocoumarins		Psoralen (antifungal) [14] Antoghenol (antibacterial) [15] Columbianedin (anti-inflammatory) [15]
Pyranocoumarins		Grandivittin (antibacterial) [16] Inophyllum A, B, C, E, P, G1, andG2 (antiviral) [17]
Biscoumarins		Dicoumarol (anticoagulant) [18]
Isocoumarins		Thunberginols (antidiabetic) [19]
Phenylcoumarins		Isodispar B (anti-inflammatory) [20]