artemisia annua

artemisia annua

(compendium)

[synonym] Artemisia ordosica, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua, Artemisia annua annua, Artemisia annua annua, Artemisia annua annua, Artemisia annua annua, Artemisia Annu.

[source] it is the whole plant of Artemisia annua.

[plant morphology] Artemisia annua

Herbs annual, up to 1.5 m tall, all nearly glabrous. Stem erect, cylindrical, surface with longitudinal shallow groove, green when young, yellow when old; lower part lignified, upper part branched. Stems and leaves alternate; 3-pinnatifid, lobes apex pointed, green above, yellow green below, narrow wings on both sides of the leaf axis, leaves on the upper part of the stem, gradually smaller upward, split more finely. The head is spherical, drooping, arranged into a pyramid shaped panicle with leaves, several densely distributed in the upper part of the whole plant; each head has a short petiole, with or without linear bracts at the base; the involucre is smooth and glabrous, bracts are 2-3 layers, the central part of the back is green, the edge is yellowish, membranous and transparent; the receptacle is rectangular, the flowers are tubular, yellow, The outer part is a female flower with only one pistil; the central part is a bisexual flower with 5 lobed corolla apex and 5 stamens. The anthers are connate and the filaments are thin and short. It is inserted in the middle of the inner surface of the corolla tube with 1 pistil. The style is filiform and the stigma is 2-lobed and forked. Achenes ovate, minute, light brown, with raised longitudinal stripes on the surface. The flowering period is from August to October. The fruit period is from October to November.

Born in the wilderness, hillside, roadside and riverside. It is distributed all over the country.

The fruit of this plant (Artemisia annua L.) is also used for medicine. Please refer to the special section for details.

[collection] harvest in autumn and dry in the sun.

[medicinal material] dried whole grass, about 60-100 cm long. The stem is cylindrical, light brown or grayish brown on the surface, with longitudinal ridges, hard texture, rough fracture section, white pith in the center, tender branches with many leaves, brittle and fragile. The leaves of branches with ear or inflorescence mostly fall off, and the inflorescence only has small bulbous brown yellow bracts, such as roe, which are brittle and fragile. It has special aroma, bitter taste and cool feeling. It is better to be yellow green, fragrant and free of impurities.

It is produced in most parts of the country.

At present, this product is used as Artemisia annua in most areas of China. See Artemisia annua.

[chemical composition] the air dried plant contains 9.7% moisture, 5.6% ether soluble matter, 26.6% water soluble matter, 0.8% ethanol soluble matter, 11.6% hemicellulose, 8.5% cellulose, 9.6% lignin, 9.3% protein, 10.1% ash and 2.4% tannins.

After steam distillation, the essential oil with good fragrance and slight green was 0.18%. The content of essential oil was the highest in flowering period, and the content of fresh plants was higher than that of long stored plants. The essential oil contained 44.97% ketones, among which 21% were ascarisone, 13% were l-camphor, 13% were 1,8-cineole, 13% were 1,8-artesunate, 4% were artesunate, 1% were pinene, camphene, 1,8-cineole, pichenylene or Terpinene, caryophyllene, some sesquiterpenols, kufural, ketones, phenol, butyric acid, hexanal, benzyl acetate, benzyl d-2-methylbutyrate and caryophyllene were also reported It can be used as a reference material.

The aerial part contains scopoletin and scopoletin.

From Artemisia annua from India, the Rhododendron year and k-rhododendron year were isolated.

[nature and taste] ① in the Compendium: "hard work, cool, non-toxic. "

② Common Chinese herbal medicine in Shanghai: "bitter, cold. "

Functions and indications: clearing away heat and malaria, expelling wind and relieving itching. Treatment of heat and malaria. Hot flashes, infantile convulsions, febrile diarrhea, Vickers and scabies.

① "Compendium": "treating children with wind cold and convulsive heat. "

② Modern practical Chinese medicine: "Shengye juice: applied to scabies, scabies and poisonous insect bites. "

③ Nanjing folk herbs: "clearing away heat. "

④ Guizhou folk medicine collection: "eliminate sore swelling, treat snake injury. "

⑤ Guangzhou army's Manual of commonly used Chinese herbal medicine: "relieve fever, strengthen stomach, expel wind and stop itching. "

[usage and dosage] oral administration: decoction, 1-3 yuan. External use: tamping.

[prescription selection] ① for tuberculosis, hot flashes, night sweats and dyspepsia: Artemisia annua L. Take it in water. (Handbook of commonly used Chinese herbal medicine of Guangzhou Army)

② Treatment of summer fever, fever, chest tightness and abdominal pain: fresh Artemisia annua leaves five money to one or two or seeds five money. Take it by frying. (commonly used Chinese herbal medicine in Shanghai)

③ Treatment of malaria, intermittent fever: Artemisia three to five money. Take it by frying. (commonly used Chinese herbal medicine in Shanghai)

④ Treatment of infantile diarrhea: Artemisia, Fengwei grass, purslane each two money. Take it in water. (Jiangxi herbal medicine)

⑤ Governance Liuhuo (lymphangitis): Artemisia annua, Vitex negundo leaf each two, Clematis five money. Take it in water. (Jiangxi herbal medicine)

⑥ Treatment of scabies, skin itching: huanghuahao Decoction wash. (Handbook of commonly used Chinese herbal medicine of Guangzhou Army)

⑦ Treatment of snake bite: fresh bitter wormwood one or two, mash, external application wound. (Guizhou folk medicine Collection)

Chinese PinYin : Huang Hua Hao