Top Quality Forsythiae Fructus

It is a deciduous SHRUB, 2 ~ 3 meters high. Branches Elongate or pendulous, branchlets light brown, slightly 4-sided, internodes hollow without pith. Leaves opposite, petiolate; Leaf Blade intact or 3-sect, ovate to oblong-ovate, 6-10 cm long, 1.5-2.5 cm wide, apex pointed, base broadly cuneate or rounded, margin irregularly serrate. The first leaves are in flower, with 1 ~ 3 ~ 6 clustered leaf axils; Calyx 4-lobed, Lobes long-elliptic; Corolla Golden Yellow, 4-lobed, with orange-red stripes in Corolla Tube; Stamens 2, inserted at base of Corolla Tube, filaments very short; style slender, stigma 2-lobed. Capsule Woody, with obvious lenticels, ovoid, apex pointed, Ca. 2 cm long, mature 2-lobed. Seeds numerous, winged. FLORESCENCE IS 3 ~ 5 months, fruiting is 7 ~ 8 months. Native to Lowland thickets or forest margins. Distributed in Hebei, Shanxi, Shaanxi and other places. Harvest processing in the autumn fruit is still green with the first harvest, the removal of impurities, steaming, drying, Xi said "Alice Green. ". Fruit is ripe when collect thoroughly, bask in dry remove impurity, Xi calls"old Qiao". The characters of medicinal materials are long-egg to egg-shaped, slightly flat, 1.5 ~ 2.5 cm in length and 0.5 ~ 1.3 cm in diameter. There are irregular longitudinal wrinkles and most of the small spots on the surface of the protuberance, both sides of a clear Longitudinal groove. Sharp tip. The base has the small fruit stem or already falls off. "Green Qiao" more not dehiscent, surface green-brown, protruding small gray-white spots less hard; seeds many, yellow-green, slender, wings on one side. "Old Qiao" from the top crack or split into two, the surface yellow-brown or red-brown, the inner surface more light yellow-brown, smooth, with a mediastinum. Brittle; seeds Brown, mostly deciduous. It has a slight aroma and a bitter taste. Drug Properties: Mild Cold, bitter taste. Channel of Lung, heart and small intestine. 

Efficacy and function: clearing away heat and detoxication, reducing swelling and dispersing knots. Belongs to the heat-clearing antidotes classified under the subordinate category. Pharmacological Studies: anti-microbial; inhibition of Phosphodiesterase, Lipoxygenase; Antiemetic; anti-liver injury; anti-inflammatory; inhibition of elastase activity; reduction of spontaneous hypertension, etc. . 

Chemical Constituents: including Lignans, flavonoids, volatile components, phenylethane, ethyl cyclohexanol, triterpenes and Coumarin and other compounds. There are betulinic acid, forsythiaside, Arctiin, Siraitia GROSVENORII glycoside, Rosin, forsythiol glycoside C, forsythiol glycoside D, and so on. 

Use Taboo: Qi Deficiency, Yin deficiency fever and spleen and stomach deficiency heat should be taken carefully.