Lingdangzi

Lingdangzi

(Jilin Chinese herbal medicine)

[source] it is the seed of Petunia sibirica.

[plant morphology] Petunia sibirica

Herbs annual, without tuberous roots. The stem is weak and creeping, slightly twining. Leaves simple, alternate, ovate lanceolate, smaller, apex slender and pointed, base cordate, entire. Sepals 5, persistent; pollen red, corolla closed, funnel-shaped; stamens 5; ovary superior, 2-locular. Capsule. Seeds black brown to black brown, shaped like morning glory, slightly smaller.

It is often associated with buckwheat. It is distributed in Northeast China.

[collection] harvest the fruits in autumn, dry them in the sun, lay down the seeds and remove the impurities.

[chemical composition] there is polysaccharide in the seed, which is composed of 97% glucose and mannose (1:1) and 3% galactose; the seed oil contains 3.5% dienoic acid and 9.3% trienoic acid.

[function indications] purgative, water. Treat constipation and food accumulation.

[usage and dosage] oral administration: decoction, 2-3 yuan; or grinding powder.

[selection] ① treatment of constipation: lingdangzi grind fine powder. Five minutes a time, once a day.

② Cure food accumulation abdominal distension: bell dangzi three money, chicken three money. Stir fry and grind. One money each time, twice a day. (its main functions are as follows: Jilin Chinese herbal medicine)