[source] the leaves of toosendan or Melia azedarach. For plant morphology, please refer to "toosendan seed" and "Melia azedarach bark".
[collection] collected in summer and autumn, dried in the sun.
[pharmacological action] the water extract from the cotyledon of Melia azedarach (2-5%) can prevent grasshoppers and grasshoppers from invading plants, but it is non-toxic to human and livestock. Its effective component is carotenoid.
[nature and taste] Guangdong traditional Chinese Medicine II: "bitter, cold, with little poison. "
[function indications] it can relieve pain and kill insects. It can cure hernia, Ascaris lumbricoides, swelling and pain, sores, skin eczema.
① "Compendium": "hernia into the capsule pain, when the onset of jianjiu drink. "
② Guangdong traditional Chinese Medicine II: "leaves of Melia azedarach, external application at the end of research.". It can cure the swelling and pain of traumatic injuries and stop the bleeding of knife wounds. "
[usage and dosage] oral: decoction, 2-3 yuan. External use: decocting, washing, mashing, spreading or grinding.
[selection] 1. To cure hernia and kill Ascaris lumbricoides, take the leaves and fruits of Melia azedarach in decocted juice. (Zhejiang folk herbal medicine)
② Treatment of malaria: neem leaves and witch mother cotyledon dry, each three money. Take it with clear water at any time. Pregnant women should not use it. (Lingnan herbal medicine)
③ Treatment of skin pruritus or eczema (including scalp pruritus): fresh neem leaf heart (branch tip fresh tender leaves) a grip, water decoction wash the affected area. (Quanzhou materia medica)
④ Treatment swelling poison: neem leaves, Sapium sebiferum tree pistil, two taste discretion, mash apply the affected area. (Lingnan herbal medicine)
⑤ Treatment of centipede and bee injury: apply neem branch and leaf juice. (simple formula)
[clinical application] treatment of suppurative dermatosis
Wash and chop the leaves of Melia azedarach, add 3000 ml water to each catty, fry for 40-60 minutes, cool and filter, and put them into sterilized glass bottle for standby. Add 5 ml of 10% carbolic acid solution into every 1000 ml of solution for corrosion protection. Usage: firstly, wash the pus scab on the wound surface with Melia azedarach leaf solution, then wet the wound surface with disinfectant gauze soaked with the medicine solution, and add the medicine solution to the gauze every 3-5 hours to keep it moist. If the wound is extensive or the affected part is not easy to wet compress, it can be used to wash the wound three times a day. In general, the wound was dry, the redness subsided and the pruritus was significantly alleviated on the first day after treatment, and scab and debris were formed on the second to fourth day after treatment. 34 cases of pustules, eczematous dermatitis and chronic eczema were treated, and 25 cases were cured.
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