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Azadirachta indica, commonly known as neem, margosa, nimtree or Indian lilac, [3] is a tree in the mahogany family Meliaceae. It is one of the two species in the genus Azadirachta . It is native to the Indian subcontinent and to parts of Southeast Asia , but is naturalized and grown around the world in tropical and subtropical areas.
Neem extracts act as an antifeedant and block the action of the insect molting hormone ecdysone. Azadirachtin is the most active of these growth regulators ( limonoids ), occurring at 0.2–0.4% in the seeds of the neem tree.
Azadirachta is a genus of two species of trees in the mahogany family Meliaceae. [2] Numerous species have been proposed for the genus but only two are currently recognized, Azadirachta excelsa and the economically important tree Azadirachta indica, the neem tree, from which neem oil is extracted.
Neem gum is a natural extracted from Neem tree by induced or natural injury. Neem gum is clear, bright and amber-coloured material [1] non-bitter in taste and is soluble in cold water. It is used as a bulking agent and for the preparation of special purpose food (those for diabetics). Pharmaceutical applications of neem gum include use as a ...
Melia dubia Commonly known as Malabar Neem, Maha Neem, Gora Neem, or Barma Dhek. This is one of the most important industrial tree species that has rapidly expanded in the Indian subcontinents in recent decades. M. dubia is a tree of tropical and subtropical regions which is mainly cultivated for its widely important industrial and medicinal ...
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Azadiradione is the principal active ingredient in neem oil, which is extracted from the seeds of the neem tree.Smaller quantities of azadiradione can also be found in other plants like Cedrela odorata (Spanish cedar), Chisocheton siamensis, Xylocarpus granatum (cannonball mangrove) and Azalea indica (common azalea).
The curry tree or Bergera koenigii (syn. Murraya koenigii), is a tropical and sub-tropical tree in the family Rutaceae (the rue family, which includes rue, citrus, and satinwood), native to Asia. [4] The plant is also sometimes called sweet neem , though M. koenigii is in a different family from neem, Azadirachta indica , which is in the ...