Eucalyptus grandis leaves

Big leaf

(Chinese medicine and plant Atlas)

[source]

It is the leaf of Eucalyptus grandis.

[plant morphology]

Eucalyptus grandis, also known as: mosquito tree.

Evergreen trees, up to 30 m high. The dry bark does not peel off, dark brown, grooved, and the branch bark is light red. Leaves alternate, leathery, ovate lanceolate, 3-18 cm long and 3-7.5 cm wide, long pointed, mostly lateral, slender, almost at right angles to midrib. Umbels axillary or lateral, pedicel thick and flat, or angular, 2-3 cm long, with 6-10 flowers; flower diameter 1.5-2 cm; calyx tube narrowly gyroscopic or slightly pot shaped, lower part of a few gradually narrow into a stalk; cap is usually slightly longer than calyx tube; stamens 8-12 mm long, anthers oval long oval. Capsule, obovate, oblong, ca. 1.5 cm long, margin thin; petals included or flattened or slightly prominent with margin. The flowering and fruiting period is usually in spring and autumn.

It is cultivated in Guangdong, Guangxi, Fujian, Hunan, Guizhou and Yunnan.

[collection]

Harvest in autumn and dry in the shade.

[chemical composition]

Dry leaves contain acids, phenols, sterols, triterpenoids and so on. The fresh leaves still contain volatile oil.

[flavor]

Bitterness and bitterness make peace.

① "Lingnan herbal medicine annals": "the taste is pungent and astringent, and the nature is flat. "

② Guangzhou army's "manual of commonly used Chinese herbal medicine": "slightly pungent, slightly bitter, flat. "

[function indications] clearing away heat and toxin. Treatment of cold, acute enteritis, dysentery, pyelonephritis, erysipelas, carbuncle, scald, wound infection, lower limb ulcer, suppurative keratitis, atrophic rhinitis.

① "Treatment of purulent trauma, refractory ulcer, etc. "

② "Lingnan herbal medicine annals": "Shufeng Jiere, antiseptic antipruritic. "

③ Guangxi Chinese herbal medicine: "clearing away heat and toxin, killing insects and astringency. Treat diarrhea, dysentery, cold, carbuncle, sore, furuncle and eczema. "

④ Zhejiang folk commonly used herbs: "cough, stomach, insect repellent. "

[usage and dosage]

Oral: decoction, 2-3 yuan (fresh product 0.5-1 Liang). External use: decoct, wash, rub or grind into 30% ointment for external application.

[selection method]

① Treatment of cold and influenza: eucalyptus leaves about five Jin, fried soup fumigation bath. (Lingnan herbal medicine)

② Treatment of malaria: five to seven eucalyptus leaves, a little brown sugar, fried in water, taken before onset. (Fujian)

③ Prevention and treatment of cold, influenza, meningitis, encephalitis: eucalyptus leaf two to three money (fresh product five to one or two money), decoction.

④ Treatment of erysipelas, cellulitis, deep abscess, wound infection: eucalyptus leaves dry two to three money, fresh five to one or two money, fried water oral. At the same time, use 15-20% solution, local wet compress.

⑤ Treatment of head sores, scalds and neurodermatitis in children: external washing with Eucalyptus grandis leaf decocting water. (3) the following prescription is published in the Handbook of commonly used Chinese herbal medicine of Guangzhou army.)

⑥ Treatment of eczema, ulcers: eucalyptus leaves, boiling water, wash the affected area. (Guangxi Chinese herbal medicine)

⑦ Treatment of bacillary dysentery, acute gastroenteritis: eucalyptus leaves five money to one or two, decoction.

⑧ Treatment of scald: eucalyptus leaves 15-30% decoction, external application of the injured part.

⑨ Surgical disinfection: 15-30% Eucalyptus grandis leaf decoction or saturated distilled liquid, used for hand soaking, skin disinfection, wound washing, etc. (prescription 7 is listed in Zhejiang folk commonly used herbs)

⑩ Cure respect measles: big leaf Eucalyptus fresh leaf five money to one or two, water decoct take. (Fujian Chinese herbal medicine)

(11) treatment of filariasis: cut three Liang fresh leaves of Eucalyptus grandis into shreds, add water three times, fry for three hours, remove the residue and concentrate to about 60 ml, once. Children aged 1-4 took 1 / 4, 5-10 took 1 / 3, 11-15 took 2 / 3. After taking the medicine, some patients had dizziness and backache, but no severe fever and aversion to cold caused by taking haiqunsheng.

(12) asthma treatment: Eucalyptus Leaf four money, white English one money, Vitex trifolia three money, water decoction.

⒀ treatment of lower limb ulcer: 20% eucalyptus leaf soup, first wash the affected area, and then sprinkle with eucalyptus leaf powder, bandage. (11) Jiangxi herbal medicine manual is published below)

[clinical application]

① Treating cold

Eucalyptus grandis was used to make Extract Tablets, each containing 3 grams of crude medicine. Take 3-4 tablets each time, 4 times a day, 2-3 tablets for children. 133 cases were cured in 62 cases, markedly effective in 22 cases, improved in 31 cases and ineffective in 18 cases. The total effective rate was 86.5%. It has a good effect on mild and medium cold.

② Treatment of subacute and chronic amoebic dysentery

Cut the tender branches and leaves of Eucalyptus grandis into 10 catties, add 40 catties of water, simmer for 2 hours, remove the residue, concentrate to 5000 ml, wait for cooling, add 100 grams of sodium bicarbonate to make 2% Eucalyptus grandis mixture (fresh preparation is better). Take 200 ml each time for low pressure retention enema. After perfusion, the patient is advised to endure as much as possible and lie still for more than 2 hours. Once a day in the morning and afternoon, continuous 7-10 days as a course of treatment; if not cured, the interval of 3 days for the second course of treatment. 30 cases of subacute amoebic dysentery were observed, the clinical symptoms disappeared completely and fecal examination was negative for 3 times; 11 cases of chronic amoebic dysentery, 6 cases of clinical symptoms disappeared completely, 2 cases of partial disappearance, 3 cases of no loss, 6 cases of fecal examination turned negative.

③ Treatment of acute and chronic pyelonephritis

Using 100% Eucalyptus lobata decoction, 30-50 ml each time, 3-4 times a day, 15 days as a course of treatment, can be used for 2-3 courses, 61 cases of acute pyelonephritis were observed, 33 cases were cured, 10 cases were significantly relieved, 6 cases were ineffective; 2 cases stopped taking the medicine midway. Among the cured cases, 23 cases were followed up for half a year, and 2 cases recurred. Among 38 inpatients, 20 were positive for urine culture, including 15 cases of Escherichia coli, 2 cases of Streptococcus A and 1 case of Staphylococcus aureus. 1 case of Proteus, except 2 cases of E. coli, all turned negative in about 15 days. 64 cases of chronic pyelonephritis were observed. The onset time was more than half a year. They had been treated with various antibiotics. Among them, 53 cases had Escherichia coli growth in urine culture. After 3-4 courses of treatment, 37 cases were cured, 6 cases were improved, 2 cases stopped taking antibiotics, and 19 cases were ineffective. Among the cured cases, 18 cases were followed up for half a year, and 1 case recurred. The cure standard was that the conscious symptoms disappeared, the urine routine returned to normal, and the urine culture was negative for two consecutive times.

④ Treatment of suppurative corneal ulcer

First, 0.5% dicaine solution was used for topical anesthesia, and 0.3 ml of 2% procaine hydrochloride was used for subconjunctival injection, then 0.5 ml of 20% or 30% Eucalyptus injection was injected, once a day. In 3 cases of suppurative serpentine corneal ulcer, 2 cases were markedly effective (anterior chamber empyema disappeared rapidly, ulcer surface was cleaned and repaired quickly), 1 case was effective (anterior chamber empyema decreased significantly), 2 cases were catarrhal corneal ulcer, 1 case was markedly effective and 1 case was effective. One case of corneal ulcer caused by acid corrosion was treated. After two times of treatment, the ulcer was quickly repaired and cured, and the visual acuity was improved from 0.3 to 0.8. One case of corneal ulcer of unknown cause was treated, but it was ineffective.

⑤ Treatment of atrophic rhinitis

A large leaf of Eucalyptus, hibiscus leaves each 10 grams were ground into fine powder, with 100 grams of Vaseline mixed with heat, that is Eucalyptus Fu ointment. Apply the ointment into the nasal cavity every night before going to bed and at noon. 2. Take 4 kg of dried eucalyptus leaves and hibiscus leaves respectively, add appropriate amount of water, boil for 30 minutes, filter and concentrate to 500 ml (1 ml contains about 8 g of crude drug), add 1000 g of lanolin and 500 g of Vaseline, mix well, and make into 2 × 6 cm gauze strips for standby. When using, take out the gauze and put it into the nasal cavity, take it out after 1-2 hours, 1-2 times a day. Twenty four cases of atrophic rhinitis were treated and 21 cases were cured.

The above is all the introduction of Eucalyptus grandis leaf, I believe you already know the efficacy and application of Eucalyptus grandis leaf, please pay attention to more traditional Chinese medicine.

Chinese PinYin : Da Ye An Ye