Swertia yunnanensis

Swertia yunnanensis

(selected Chinese herbal medicines in Yunnan)

[synonym] zodanyao, ganyancao, qingyedan, qingyudan (Yunnan herbal medicine selection).

[source] the whole plant of Swertia yunnanensis (Gentianaceae).

[plant morphology] Swertia yunnanensis

Annual erect herb, 20-40 cm high. Stem tetragonal, angular with very narrow wings, glabrous, light brown. Single leaf opposite, linear, 1-1.5 cm long, 2-3 mm wide. Flowers terminal or axillary, panicle shaped cyme; calyx green, 5-lobed, lobes linear; corolla light blue purple, 2-2.5 cm in diameter, 5-lobed, lobes elliptic lanceolate, base United. Capsule oblong, 2-lobed. Seeds small, numerous. The flowering period is late autumn and early winter.

Born on sunny hillside grassland. It is distributed in Yunnan.

[collection] collected in late autumn and early winter. Wash and dry.

[chemical constituents] the whole herb contains oleic acid, hydroxy and methoxyl derivatives of oxyanthrone and their glycosides, as well as lactone glycosides and flavonoid glycosides.

[nature and taste] selected Chinese herbal medicines in Yunnan: "bitter, cold. "

[functions and indications] selected Yunnan Chinese herbal medicines: "clearing liver and gallbladder, removing dampness and clearing heat. Treatment of acute icteric hepatitis, cholecystitis. "

[usage and dosage] oral administration: decoction, 0.5-1 Liang.

[clinical application] treatment of acute infectious hepatitis

The extract tablets were made from green leaf gall, 3 g each time, 3-4 times a day, or decocted with 1 liang of green leaf gall, 3 times a day. Where fever, deep jaundice, diet, infusion of glucose. 92 cases were treated, 88 cases were cured and 4 cases were improved. The average time for liver function to return to normal was 29.77 days, and the average time for hepatomegaly to return to normal was 15 days. Generally, the urine volume increased after medication, most tongue coating changed from yellow greasy to thin white, jaundice subsided quickly.