500g, Chao Huanɡ Qin, RADIX SCUTELLARIAE, Tcm Herbal

"Chinese Pharmacopoeia": Scutellaria baicalensis

Herbal name of Scutellaria baicalensis

Pinyin HuánɡQín

English name RADIX SCUTELLARIAE

Alias ​​mountain tea root, baicalin tea, earth gold tea root

Source This product is a dry root of Scarellaria baicalensis Georgi. Spring and autumn excavations, to be removed and its rustling, after the sun hit the rough skin, dried.

Traits this product was conical, twisted, long 8 ~ 25cm, diameter 1 ~ 3cm. Surface brown or dark yellow, sparse verrucous fine root marks, the upper part of the more rough, twisted longitudinal wrinkles or irregular reticulate, the lower part of the smooth and fine wrinkles. The The The The The The The Slightly bitter.

Identification
(1) This product powder yellow. Bone fibers scattered in a single or a number of bundles, spindle, length 60 ~ 250μm, diameter 9 ~ 33μm, wall thickness, hole fine. The wall is thick or thick. Cork cells brown, polygonal. Threaded catheter more common, diameter 24 ~ 72μm. Wood fiber broken more than 12μm in diameter, there are sparse diagonal hole spherical, diameter 2 ~ 10μm, significant umbilical point, complex particles from 2 to 3 sub-composition.

(2) take this product powder 1g, add methanol 20ml, ultrasonic treatment for 20 minutes, filtration, the filtrate evaporated, the residue of methanol 1ml to dissolve, as the test solution. Another take baicalin 1g, the same method into the control drug solution. And then take baicalin reference substance, plus methanol made 1ml per 1ml of the solution, as the reference solution. According to the thin layer chromatography (Appendix 6 B) test, learn the three solutions of the 5μl, respectively, in the same with 4% sodium acetate sodium carboxymethyl cellulose solution as a binder on the silica gel G plate, Ester - butanone - formic acid - water (5: 3: 1: 1) as developing solvent, pre - equilibrated for 30 minutes, unfolded, removed, dried and sprayed with 1% ferric chloride solution. In the chromatogram of the test sample, the spots of the same color are displayed at the positions corresponding to the chromatogram of the control drug, and the same dark green spots are shown in the chromatographic phase of the reference substance.

Cooking scutellaria tablets: remove impurities, set boiling water for 10 minutes, remove, boring, cut thin, dry; or steam for half an hour, remove, cut thin, dry (pay attention to avoid exposure). This product is round or irregular shape of the sheet, the outer yellowish brown to brown, yellowish brown or yellow-green, with radial texture. According to the above [identification] (1), (2) under the test, should show the same results under the method of determination, containing baicalin (C21H18O11) shall not be less than 8.0%.

Wine scutellaria: take Radix tablets, according to wine Sunburn method (Appendix IID) fried dry. This product is round or irregular shaped sheet, the outer skin brown, yellow and brown face, was radial texture, slightly with some of the focal spot was brown. [The above [content determination] under the method of determination, containing baicalin shall not be less than 8.0%.

Sexual bitter, cold

Meridian go to the lungs, gallbladder, spleen, large intestine, small intestine.

Functional indications heat dampness, Xiehuo detoxification, bleeding, tocolysis. For the wet temperature, heat thirst, hot and humid fullness, diarrhea dysentery, jaundice, Hyperactivity cough, high fever polydipsia, blood boil bleed at home, fetal movement disturbed.

Usage and dosage 3 ~ 9g.

Storage ventilation and dry place, moisture.

Note: (1) no wet temperature fever, with talc, white Kou Ren, Poria, etc. with the application; on the hot diarrhea diarrhea, abdominal pain, and often with white peony root, Pueraria, licorice with the use of damp heat caused by jaundice, And cotton capillaris, gardenia, light bamboo leaves equivalent. Treatment of fever and fever, often with the berberine, mountain gardenia and other compatibility; rule lung heat cough, with the anemarrhena, mulberry white and the same habitat, paeonol, oriental arborvitae equivalent; for fetal movement disturbed, often with Atractylodes, Zhu Ru, etc. with the application.

Excerpt "Chinese Pharmacopoeia"

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