Latin name: Azadirachta Indica
Common name: Neem, Nimb
English name: Margosa tree
Habitat: it is found throughout the
country up to an elevation of 900 m
Macroscopic identification: A moderate
sized to fairly large evergreen tree of height
12-15 m, stout trunk and spreading branches,
compound and alternate leaves. Fruit is oval
in shape yellowish in color.
Parts used: flowers, leaves, bark, seeds
and oil, root bark, young fruit, gum.
Pharmacological action: Root bark and
fruit are astringent, tonic and anti periodic.
Bark is bitter, tonic, astringent, anti periodic
Fruit is emollient, purgative and antihelmentic
Oil is local stimulant, insecticide and antiseptic.
Leaves are antihelmentic
Flowers are stimulant, tonic and stomachic
Gum is stimulant and demulcent
Neem also possess anti spirochaetal and emmanogogue
Actions and uses in ayurveda: Jvara,
aamsotha, vrana, kustha, prameha, netraroga,
krimiroga, visaroga, aruci, vranam, chardi.
Photochemical: the bark exudes a clean
bright amber colored gum which is collected
in small trees or fragments. It contains a bitter
alkaloid named margosine in long white
needles. Leaves contain a small bitter substance
of same chemical character but much more soluble
in water. Seeds contain 10-30% of a yellow bitter
fixed oil which is extracted by boiling. The
oil is deep yellow in color and contains free
and volatile fatty acids. The volatile fatty
acids contain stearic and oleic acid with a
small amount of lauric acid.
The sap contains glucose, sucrose, gums and
coloring matter, proteids and ashes, containing
potassium, iron, aluminium, caslcium and carbon
Properties and action:
Rasa: tikta, kashaya
Karma: vatala, pittanashak, grahi
Preparations: powder and decoction
Therapeutic classification index:
- Blood and haemopoeitic tissue: it
is a blood purifier and hence is used in all
skin troubles. It has a marked action on liver
- Central nervous system: it is a nervine
stimulator and is used in tetanus
- Digestive system: it is used in
loss of appetite, constipation and belching.
It is used as a wormicidal in intestinal worms
- Reproductive system
- Skin: it is used against malaria,
intermittent fever and other paroxysmal fevers,
convalescence after fever. It is also use
din leprosy, psoriasis, eczema etc.
- Genito- urinary system: it
is used in leucorrhea, primary secondary and
Effect of neem as a contraceptive:
Vaginal cream and suppositories made with
neem oil from seeds are quickly becoming the
birth control method. When tested against human
sperm neem extract was able to kill human sperm
in 5 minutes. Neem has aproven ability to prevent
pregnancy. It prevents implantation and even
has abortificant nature.
Neem has become the first truly effective
birth control pill for men. Neem oil capsules
if taken for one month produce reversible male
infertility without affecting sperm production
Dose: powder 1-3 gms
Capsule Neem beej contains pure and concentrated
Dosage: one capsule twice a day.
Package 60 capsules
- Prof P.V Sharma, Dravya Guna Vigyana, Vol
II, pg 149-151
- Dr.KM Nadkarni, The Indian Materia Medica,
Vol.I, pg 776-784
- The Ayurvedic Pharmacopoeia Of India, Part
I, Vol.II, pg 124-125