indeginous traditional drugs; 2

Scientific Name: Azadirachta indica
English Name: Neem tree, Indian Lilac
Bangla Name: Neem gach
Description: Neem is a fast-growing tree that can reach a height of 15–20 metres (49–66 ft), and rarely 35–40 metres (115–131 ft). It is evergreen, but in severe drought it may shed most or nearly all of its leaves.
Chemistry: Active constituents of neem leaf extract include Azadirachtin, Nimbidine isomeldenin, nimbin, 6-desacetyllnimbinene, nimbandiol, immobile, nimocinol, quercetin, and beta-sitosterol
Medicinal use: Various chemical constituents present in various parts of the plant showed different pharmacological activity such as Azadirachtin: Provides repellant, anti-hormonal and anti-feedant properties, Nimbin: Provides anti-inflammatory, anti-pyretic, antihistamine and antifungal properties, Nimbidin: Provides antibacterial, anti-ulcer, analgesic, anti-arrhythmic and antifungal properties, Nimbidol: Provides anti-tubercular, anti-protozoan and antipyretic properties, Sodium nimbinate: Provides diuretic, spermicidal and anti-arthritic properties, Gedunin: Provides vasodilator, anti-malaria and antifungal properties, Salannin: Provides repellant properties, Quercetin: Provides anti-protozoal, antioxidant, anti-inflammatory and antibacterial properties