Neem seeds are one of the most useful part of the tree, finding use in
different industries to make range of products. It has the maximum
number of compounds with curative properties. It is used to manufacture
effective pesticides as seeds have the highest content of azadirachtin.
Raw Neem Seed : Raw neem seed can also be used in
powdered form as a soil conditioner and promoting the growth of plants.
Neem Seed Extract : Used in agriculture, medicines,
oral care, ayurveda and unani system of medicine.
Neem Seed Oil : It possesses medicinal properties and
is used for large number of diseases. Used in pharmaceuticals,
cosmetics, agriculture, veterinary diseases.
Neem Seed Processing
Cleaning : Foreign material and impurities like dirt,
stones, sticks, stems etc have to be removed by means of
screen-air-separator and destoner. There are machines that separate
light, oversize and undersize impurities.
Depulping : Fruits are soaked in water for a few days
which helps to remove the skin and get the seed, they are then dried
which can in turn be of tray or rotatory type. Thereafter seeds or
fruits are dehulled into impact hullers.
Extraction: Seeds are then be treated with water based
and organic solvents to make concentrated extracts.
Use of neem seed
Neem seed is used for livestock production as it has a very high
nutritional value, it has large quantities of protein, which makes it
all the more valuable. It can however not be used for food because of
its bitter taste and foul odour. Compounds containing sulphur such as
nimbidin, nimbosterol are responsible for the bitter taste of seeds and
a principle, tignic acid is the cause of foul smell of seeds; they also
have high insecticidal properties.
Neem seed in the raw and extracts form is also used to manufacture
facial creams, body lotions and other cosmetics seeds are also highly
useful in preparing drugs and medicines both in traditional system such
as ayurveda as well as modern allopathic drugs.
Neem seeds are also widely used by farmers and agriculturists as a
natural pesticide and insecticide, neem extracts inhibit the growth of
insects by altering their life cycle.
Neem seeds are also used in hair care products right from shampoo to
hair lotions etc.
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