Forsythia Fructus P.E.
Plant source:Brown powder extract products of Oleaceae plants of Forsythia fruit.
Physical properties: This product is brown or light yellow powder, hygroscopic, soluble in water and ethanol.
Specification: Phillyrin 1%, 1.5%, 2%, 2.5%, 3.0%HPLC
Chemical composition: containing forsythol and so on many kinds of phenethyl alcohol, phillyrin, forsythiaside A, C, D, E, phillygenin, dextral pinoresinol, dextral pinoresinol glucoside. Betulinic acid , forsythia glycoside , arctiin , Rohan pine resin glycosides, pinoresinol (pinoresinol), forsythia glycoside content C, D and other lignans.
Pharmacological action:with heat clearing and ***oxicating, ***umescence, evacuation of wind heat, clear heart diuresis. Antibacterial and antiviral for clinical.
Application: Yinhuang preparation, preparation of Shuanghuanglian preparation, Yinqiao preparation etc.
Plant morphology: deciduous shrub, high 2-4m, the branches droop, four ribbed, pith hollow. Leaves opposite, ovate to elliptic ovate, 6-10cm long, 2-5cm wide, apex acute, margin serrate, pinnately compound leaf part three. Flowers open first leaves, solitary in axils of leaves; calyx deeply 4 - lobed; corolla yellow, 4 - lobed, with red stripes; stamens 2, inserted at base of corolla tube. Capsule ovoid, surface scattered tumor point. Florescence 3-5 month, month of fruit period 7-8.
Born in the wild or cultivated slopes. The main producing areas are Shanxi, Henan, Shaanxi.
And the autumn fruits dried firstfruits green tinged harvest, steamed, Xi said, "Qingqiao"; harvest, fruit ripe when dried, Xi said, "old alice".
Fruit characters long ovate to ovate, slightly flat, length 1.5-2.5cm, diameter 0.5-1.3cm. Surface with irregular longitudinal wrinkles and most salient small spots, apex acute. "Qingqiao" not cracking, surface greenish brown, many seeded, yellow green, winged side. "Shucks" tip splitting into two valves, surface yellowish brown or red brown, inner surface Wang yellow brown, smooth, with a mediastinal. Gas micro fragrance, tas |
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