The harm of neem tree to humans

The neem tree is a very common tree in daily life. It is used to growing on moist and fertile soil. Its fruits, flowers, leaves, etc. can all be used as medicine. However, many people do not know that it can cause some harm to the human body. If accidentally ingested, it will cause signs of poisoning, including nausea, vomiting, etc. In severe cases, it can directly endanger life safety, so people need to pay special attention.

Melia azedarach: It is a deciduous tree of the Meliaceae family, 10-20m tall. The bark is dark brown and cracked longitudinally. The old branches are purple with many tiny lenticels.

It grows in the wilderness or on the roadside, and is often cultivated in front of and behind houses. The plant grows rapidly in moist fertile soil and is not very demanding on soil. It can grow in acidic soil, neutral soil and limestone areas. It is a good afforestation tree species in plains and low-altitude hilly areas, and is more suitable for planting on roadsides near villages. This species is a timber plant as well as a medicinal plant. Its flowers, leaves, fruits and root bark can all be used as medicine. The root bark can expel roundworms and hookworms, but it is poisonous, so you must strictly follow the doctor's orders when using it. Root bark powder mixed with vinegar can treat scabies, and an ointment made from neem seeds can treat tinea capitis. In addition, kernel oil can be used to make lubricants and soaps.

Main Application

Garden appreciation

The tree has a graceful shape and beautiful leaves. It blooms lavender flowers in spring and summer, which are quite beautiful and have a faint fragrance. It is suitable as a garden shade tree and a street tree. In addition, it is resistant to smoke and sulfur dioxide, making it a good greening tree species for cities and industrial and mining areas. It is suitable for solitary planting or cluster planting on lawns, or for planting by pools, roadsides, and slopes.

The tree is not only resistant to absorbing toxic and harmful gases such as sulfur dioxide and hydrogen fluoride, but is also an expert in killing insects and can prevent and control 12 serious agricultural pests. It is known as a pollution-free plant pesticide. It is suitable for growing in subtropical monsoon areas with relatively favorable water and heat conditions.

Other Uses

The sapwood is yellowish-white, the heartwood is yellow to reddish-brown, the texture is coarse and beautiful, the quality is light and soft, shiny, and easy to construct. It is a good material for furniture, construction, farm tools, boats, vehicles, musical instruments, etc. The fresh leaves can be used to kill snails and as a pesticide, and the kernel oil can be used to make paints, lubricants and soaps.

toxicity

Neem is poisonous and there have been reports of children dying from poisoning after ingesting it. Symptoms of poisoning include nausea, vomiting, diarrhea, difficulty breathing and palpitations. Dogs will vomit soon after oral administration, so they are not easily poisoned. Cattle and horses can also be poisoned; pigs are the most sensitive. They will be poisoned within half an hour after taking 200g, and die within 2-3 hours. The main symptoms are central nervous system inhibition and coma. During the autopsy, in addition to inflammation and dilatation of the stomach and small intestine, there are also congestion and fatty degeneration of the liver and kidney tissues, a large amount of blood in the lungs, and significant cyanosis. Ripe drupes are more toxic than unripe ones. The toxic component may be a toxic protein.