The Chinese name of the herb fanbaicao
Alias chicken legs, skyroot, chicken feet grass, chicken feet claws, money hanging gourd.
English Name PotentillaeDiscolorisHerba
SourceThe dried herb of PotentilladiscolorBunge, family Rosaceae.
Plant Form Perennial herb. Roots stout, the lower part is often fat and fusiform. Flowering stems erect, ascending or spreading, 10 to 45 centimeters high, densely white tomentose. Basal leaves with 2～4 pairs of leaflets, opposite or alternate; petiole densely white woolly, sometimes and villous, leaflets sessile; stipules membranous, brown, outside densely white villous; leaflets oblong or oblong-lanceolate, 1～5 cm long, 5～8 mm wide, apex rounded-obtuse, sparsely acute, dark green below, sparsely white woolly or glabrescent several glabrous, below densely white or gray-white woolly; cauline leaves 1 ～Stem leaves 1-2, palmately 3-5-foliolate, stipules herbaceous, ovate or broadly ovate, margin often notched-dentate, densely white woolly below. Flowers bisexual; cymes, pedicels 1 to 2.5 cm long, woolly; flowers 1 to 2 cm in diameter; sepals triangular-ovate, epicalyx segments lanceolate, shorter than sepals, covered with white woolly hairs; petals yellow, obovate, apex retuse or rounded, longer than sepals; styles subterminal. Achenes subreniform, ca. 1 mm wide, smooth. Flowers, fruiting from May to September.
Origin and distribution Born in wastelands, valleys, ditch edges, hillside meadows, meadows, and under sparse forests at altitudes of 100 to 1850 meters. It is distributed in northeast, north, east, central and south China, Shaanxi, Sichuan and other places.
Harvesting and processing before flowering in summer and fall, remove sediment and impurities, dry.
Traits of herbsThe tuber is fusiform or cylindrical, 4-8 cm long, 0.4-1 cm in diameter; the surface is yellowish brown or dark brown, with irregular twisted grooves; the texture is hard and brittle, and the fracture surface is flat, grayish white or yellowish white. Basal leaves are tufted, singular pinnately compound, mostly wrinkled and curved, 4-13 cm long after spreading; leaflets are 5-9 in number, with short or absent stalks, oblong or long elliptic, the apical leaflets are larger, the upper surface is dark green or gray-green, the lower surface is densely covered with white tomentum, and the margins are coarsely serrated. The flavor is sweet and slightly astringent.
The flavor and attribution are flat, sweet and slightly bitter. It belongs to the liver meridian, stomach meridian and large intestine meridian.
Effects and Uses Clearing heat and removing toxins, stopping dysentery, and stopping bleeding. It is a heat-clearing and detoxicating medicine classified under the category of heat-clearing medicines.
Clinical application Internal use: decoction, dosage of 10-15 grams; or soaked in wine. External use: appropriate amount, decoction of water fumigation or fresh pounded compresses. It is used for damp-heat diarrhea, carbuncle, swelling and sores, blood-heat epistaxis, blood in stool, and leakage.
Pharmacological research antibacterial effect.
Chemical composition contains fenugreek acid, gallic acid, protocatechuic acid, quercetin, naringenin, kaempferol, resorcinic acid and other ingredients.
Contraindications for usePregnant women should be cautious.
Related remedies
①Treatment of lung carbuncle: 30 grams of fresh turnip grass root, 15 grams of each of the root of mouse thorns, duguai root, add water and decocted into half a bowl, take before meals, take two times a day. ("Fujian Folk Herbs")
② treatment of acute laryngitis, tonsillitis, stomatitis: the white grass fresh grass appropriate amount, mashed to take the juice of the throat. ("Zhejiang Medicinal Plant Journal")
③ chronic rhinitis, pharyngitis, mouth sores: 15 grams of white grass, 12 grams of the ground. Water decoction. ("Shanxi Herbal Medicine")
4 treatment of malaria, cold and fever, and anonymous swelling and poisoning: five or seven roots of the white grass, decoction of wine. ("Compendium")
⑤ Treatment of blood in the stool: 45 grams of white grass root, pig intestines are not measured. Add water and stew, remove the slag, take the soup and intestines with the service. (Jiangxi "folk herbal medicine")
6 treatment of red and white dysentery (including amoebic dysentery): a. 15 grams of white grass, 30 grams of white head. Water decoction. (Shandong "Traditional Chinese Medicine"); b. 18 to 24 grams of Cao Bai Cao, 6 grams each of red peony and licorice. Decoct with water and remove the dregs. Take in portions 2 times a day. ("Food Chinese medicine and convenient prescription")
7 treatment of dysmenorrhea: turn white grass (with roots) 45 grams, motherwort 10 grams. Decoction of water with brown sugar, yellow wine. ("Henan Chinese herbal medicine manual")
8 treatment of toothache: turn white grass root. Stewed pork service. ("Hunan Drugs")
Decoction of Chinese medicine
(1) soak in water before decoction
Before decoction, the herbs should be soaked in water for 20 to 30 minutes. This is because most of the herbs are roots, stems and fruits of sun-dried plants. In order to decoct the active ingredients of the medicines, it is necessary to let the dried herbs absorb enough water first, so that their active ingredients can be released through the medium of water.
(2) drugs to turn the decoction
Generally, the herbalist will also explain to the patient, the drug to turn the decoction, morning and evening to drink once. Only, many people, although they know that the Chinese medicine to turn the dregs of the decoction more than once, but often do not operate correctly. Decoction of traditional Chinese medicine, not decoction once, drink a bowl, turn the decoction once, then drink a second bowl.
The correct method of decoction should be to decoct once, and then immediately turn the decoction for a second time, and then mix the first and second decoctions together, and then divided into two bowls, and drink once in the morning and evening.