What chemical is in neem leaves?
The chemical constituents are found in the leaves of neem as nimbin, nimbanene, 6-desacetylnimbinene, nimbandiol, nimbolide, ascorbic acid, n-hexacosanol and amino acid, 7-desacetyl-7-benzoylazadiradione, 7-desacetyl-7-benzoylgedunin, 17-hydroxyazadiradione and nimbiol [3], [10], [12].
What are the properties of neem leaves?
Neem leaf and its constituents have been demonstrated to exhibit immunomodulatory, anti-inflammatory, antihyperglycaemic, antiulcer, antimalarial, antifungal, antibacterial, antiviral, antioxidant, antimutagenic and anticarcinogenic properties.
Which alkaloid is present in neem plant?
Of these, the most commonly active compounds found in neem are azadirachtin, nimbin and nimbidine [10]. The most active chemical compounds are slightly hydrophilic in nature; however, they are freely lipophilic and more soluble in organic solvents, such as water, alcohol, ketones and esters [12].
What is the test of neem?
Sander-Cramer test was used to study the spermicidal activity of neem leaf extract. Under the test conditions, minimum effective spermicidal concentrations for tender and old leaf extracts were 2.91 +/- 0.669 mg/million sperm and 2.75 +/- 0.754 mg/million sperm, respectively.
Which main two chemical constituents are found in neem?
The most important active constituent is azadirachtin and the others are nimbolinin, nimbin, nimbidin, nimbidol, sodium nimbinate, gedunin, salannin, and quercetin.
What is the margin of neem leaf?
toothed
The leaf petioles are short. Young leaves are reddish to purplish in colour. Leaf margins are toothed.
What is the shape of neem leaf?
Neem leaves are medium to large in size and elongated to oblong in shape, averaging 20-40 centimeters in length. The vibrant green leaves are smooth and glossy with sharp, serrated edges.
What is the scientific name of neem?
Azadirachta indica
Neem Tree/Scientific names
Neem tree is mainly cultivated in the Indian subcontinent. Neem is a member of the mahogany family, Meliaceae. Today it is known by the botanical name Azadirachta indica (A. indica) A. Juss.
What is the function of neem?
Neem leaf is used for leprosy, eye disorders, bloody nose, intestinal worms, stomach upset, loss of appetite, skin ulcers, diseases of the heart and blood vessels (cardiovascular disease), fever, diabetes, gum disease (gingivitis), and liver problems. The leaf is also used for birth control and to cause abortions.
Which acid is present in neem?
Neem kernel lipids are similar to the normal glycerides from other oilseeds and contains oleic acid (50-60%), palmitic acid (13-15%), stearic acid (14-19%), linoleic acid (8- 16%) and arachidic acid (1-3%). It is brownish yellow, non-drying oil with an acrid taste and unpleasant odour.
What is the adaptation of neem tree?
Explanation: The Neem tree is adapted to the poor soils, it tolerates high temperature as well as a low pluviometry. We find it in dry and semi-dry areas of Tropical Asia: 1) The oil of the tree is supposedly good for acne and other skin care, and Neem products are anti-bacterial and anti-viral.
What is the Phyllotaxy of neem?
The phyllotaxy for neem is opposite type. More Explanation: Phyllotaxy is the pattern of arrangement of leaves on the stem or branch. This is usually of three types; alternate, opposite & whorled.