[synonym] Baye (Chinese herbal medicine manual).
[source] it is the leaf of loquat, a Rosaceae plant.
[collection] it can be harvested all year round. After picking, when it is 70% or 80% dry, it can be tied into small bundles and then dried in the sun.
The dried leaves are oblong, 12-25 cm long and 4-9 cm wide. Leaf tip acuminate, base cuneate, upper serrate, base entire. Reticulate veins pinnate, raised below midrib. The leaves are grayish green, yellowish brown or reddish brown, glossy above and hairy brown below. Petiole short. The leaves are leathery and crisp. Without Qi, the taste is slightly bitter. It is better to have big leaves, gray green color and no broken.
Mainly produced in Guangdong, Jiangsu, Zhejiang, Fujian, Hubei and other places.
[chemical constituents] the leaves contain volatile oil, and the main components are nerolidol and farnesol, as well as α - and β - pinene, camphene, myrcene, p-cymene, linalool, α - Terpinene, α - and β - farnesene, camphor, nerol, taurol, α - pichenol, elemanol, cis - β, γ - hexenol and linalool oxides. It also contains amygdalin, ursolic acid, oleanolic acid, tartaric acid, citric acid, malic acid, tannin, vitamin B and C, etc. It also contains sorbitol.
[pharmacological action] the leaf extract has no antibacterial effect and can stimulate the growth of Staphylococcus aureus.
[processing] loquat leaves: brush down, wash with water, moisten slightly, shred and dry. Honey fried loquat leaves: take shredded loquat leaves, add refined honey and appropriate amount of boiling water, mix well, slightly stuffy, put in the pot, stir fry gently until it is not sticky, take out and let cool. (100kg of loquat leaf silk, 26kg of honey)
① Lei Gong Paozhi Lun: "after picking the loquat leaves, wipe the hair on the coarse cloth to make it clean. Wash it with licorice soup, but wipe it with cotton again to make it dry. Each time or two, it's fried with a little crispness. It's crispness. "
② The compendium of Medical Sciences: "for stomach diseases, ginger juice is used to apply and roast; for lung diseases, honey water is used to apply and roast.". "
Bitter and cool.
① Bielu: "it tastes bitter, flat and nontoxic. "
② "Ganwei": on the nature of drugs. "
③ "Diannan Materia Medica" says: "it is slightly cold in nature, bitter and pungent in taste. "
[channel tropism] entering lung and stomach channels.
① "Yunnan Materia Medica": "into the lung. "
② In the book of Materia Medica, it is said that "starting with the Taiyin and the zuyang Mingjing. "
③ According to the interpretation of Materia Medica classic, "we should start with the Taiyin lung meridian and hand Shaoyin heart meridian. "
Functions and indications: clearing lung and stomach, reducing Qi and resolving phlegm. Treatment of lung heat, phlegm cough, hemoptysis, hematemesis, stomach heat, vomiting.
① Bielu: "the master and the slave? Not only, but also. "
② "Food therapy Materia Medica": "boiling juice drink, main thirst disease, treatment of lung qi heat cough and lung wind sores, chest and face sores. "
③ "Diannan Materia Medica": "it can stop coughing, eliminate phlegm and asthma, break phlegm silk, change stubborn phlegm, disperse roaring and asthma, and stop shortness of breath. "
④ "Compendium": "harmonizing stomach, reducing Qi, clearing heat, relieving summer heat, and treating beriberi. "
⑤ New materia medica: "clearing lung qi, reducing lung fire, relieving cough and resolving phlegm, stopping vomiting and choking blood, treating carbuncle, flaccidity and heat toxin. "
⑥ "Anhui herbal medicine": "decoction wash abscess, ulcer, hemorrhoids. "
[usage and dosage] oral administration: decoct soup, 1.5-3 yuan (fresh 0.5-1 Liang); boil cream or put into pill or powder.
[taboo] "in the classic of Materia Medica," the method should not be applied to patients with stomach cold vomiting and lung cold cough. "
[selection] ① cough, phlegm in the throat: five cents for loquat leaf, five cents for Fritillaria cirrhosa, two cents for almond, two cents for Pericarpium Citri Reticulatae. Total for the end, each service one or two money, boiled water sent down. (materia medica of Southern Yunnan)
② To cure a woman suffering from lung heat and cough for a long time, her body is as hot as a fire, and her muscles are thin, and she will become pulmonary tuberculosis: loquat leaf, Akebia, Tussilago farfara, aster, almond and cortex mori are divided into equal parts, rhubarb is reduced by half, and each of them is made as usual. The same as the end, honey balls such as cherry big. Sleep at night after eating, each containing a pill. (Ben Cao Yan Yi)
③ Cure hoarseness: fresh loquat leaf one or two, light bamboo leaf five money. Take it in water. (Fujian Chinese herbal medicine)
④ The treatment of febrile diseases has heat, drinking water suddenly cold?: loquat leaves (wipe hair), Mao root each half liter. Add two flavors, cut them into four liters of water, boil two liters, drink a little, and then stop. (loquat leaf Yinzi in gujinlu prescription)
⑤ To cure the disease, the diet is not enough: four liang of loquat leaves (wipe off the hair and bake), five liang of orange peel (soak out the white in the soup and bake), and three liang of licorice (bake and file). The first three flavors are roughly mashed and sieved. Take three daggers and one cup of water for each serving. Add ginger and one jujube for each serving. Cut and fry until seven minutes. Remove the dross and heat it up a little. (loquat leaf soup in Shengji Zonglu)
⑥ Treatment of infantile vomiting uncertain: loquat leaves a point (wipe hair; slightly fried yellow), clove a point. If you vomit, apply a word on your nipple to stop your child from smacking. (shenghuifang Pipa leaf powder)
⑦ The treatment of bleeding is not only: loquat leaves, hair removal, baking, grinding, tea service, one or two money, two days. (Sheng Hui Fang)
⑧ Zhifei fengbi red wine: loquat leaves, hairless, baked at the end of the, tea tune next. Two money, three clothes a day. (the parties)
⑨ Treatment of acne ulcers: loquat leaf decoction. (pick Yuan Fang)
[clinical application] treatment of chronic tracheitis
Take 3 liang of loquat leaves and 5 liang of eggplant stalk, add 3000 ml of water to fry them into 2000 ml, and then add 240 ml of single syrup. Three times daily, 10 ml each time, 20 days as a course of treatment. Results 42 cases (25%) were controlled, 60 cases (36%) were markedly effective, 35 cases (20%) were improved and 30 cases (18%) were ineffective. According to the observation, it has strong antitussive effect and poor expectorant effect; it is better for simple tracheitis, but ineffective for asthma. There was no toxic reaction in the course of treatment. In addition, the injection is made from the leaves of botrya japonica, which contains 2 grams of crude medicine per milliliter. Each time with 0.5 ml, in two side Dingchuan point injection, once every other day, 5 times for a course of treatment. 59 cases were treated, 14 cases were markedly effective, 35 cases were improved and 10 cases were ineffective. It has good curative effect on asthmatic patients.
In the compendium, loquat leaf is used to treat lung and stomach diseases. Under the Qi, the fire will descend and the phlegm will be smooth, while those who are against will not, those who vomit will not vomit, those who are thirsty will not be thirsty, and those who cough will not cough. "
② The classic of materia medica: "the classic says: all thrusts belong to fire. If the fire is inflamed, the death will not stop. The sound of the voice is long and turbid. According to the classic, if the tree withers, the leaves will fall, if the disease is deep, the sound will be loud. If the patient sees this, it is a dangerous syndrome. Loquat leaves are cool in nature and are good at lowering Qi. If the Qi is lowered, the fire will not rise, but the stomach will be tranquil, so the stroke will stop. Its treatment of vomiting, women postpartum dry mouth, men thirst, lung heat cough, wheezing, shortness of breath, beriberi up, all take the work of lower Qi. It is also used to treat women's fever and cough. In advance of menstruation, it is supplemented with the medicine of tonifying Yin and clearing away heat, which can make the menstrual period correct and pregnant. "
③ "Materia medica Huiyan": "loquat leaf is a medicine for soothing stomach qi, moistening heart and lung, nourishing liver and kidney. Shen kongting said: the main nausea and vomiting more than enough to calm the stomach; or Qi against phlegm stagnation and cough Mi Ning, moisten lung qi; or deficiency fire burning and dry tongue and mouth, nourishing kidney qi; or plague heat drinking and thirst, cool heart qi. "
④ "Chongqing Tang essays:" loquat leaf, where the wind is warm, warm, heat, dryness and other evils are in the lung, can be used to protect the soft gold and Su treat the festival; fragrance but not dryness, where the damp and warm, pestilence, filthy and poisonous evils are in the stomach, can be used to clear the turbid qi and reach Zhongzhou. However, according to the book of Materia Medica, the great achievement of treating cough with Qi is not obvious, so it was invented. "
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