Soft jujube

Soft jujube

(save famine materia medica)

[synonyms] shizaoer (salvaging materia medica), Tiansuan (preparation of raw herbal medicine), Dilan (Lingnan medicine collection record), shansuan (Jiangsu medicine record), xianbaitou (Jiangsu medicine record), dizao, diyeqin, Caocao, yaogousuan (northeast medicine plant record), laoyacong (Zhejiang traditional Chinese medicine resource list), duyeyizhigun (Jiangsu medicine manual).

[source] it is the bulb or whole grass of Ziziphus lanzao.

[plant morphology] lanzaoer

Perennial herbs. The bulb is ovoid, with short rhizome at the lower part and many fibrous roots on it. Leaves narrowly linear, basal, 15-20 cm long, 5-8 mm wide, smooth, adaxially concave. Inflorescence racemose, bracts small, linear; flower small, purplish red; perianth 6, lobes oblong, with 1 Deep Purple vein; stamen 6, filament base flat, apex; ovary oblate, 3-locular, with 1 erect ovule per locule. Capsule obovate, 3-ribbed, 3-valved and dehiscent at maturity, 2-3 cm long. Seeds ribbed, black, glossy. The flowering period is from August to September. The fruit period is from September to October.

Wild in hills, hillsides or fields. It is distributed in most parts of the country.

[collection] harvest from June to July.

[herbal medicine] the bulb is ovoid, 2-3cm long, 5-15mm in diameter, apically acuminate, with residual leaf base, obvious basal bulb disc, residual yellowish white or brown fibrous roots or fibrous root fracture marks. The outer part of the bulb is covered with several layers of bright yellow membranous scaly leaves, and the inner part is covered with white overlapping fleshy scales, full of stickiness. It's slightly hot. It is better to be fresh, full and not rotten.

Produced in Jiangsu, Zhejiang and other places.

[chemical composition] the bulb contains fructose, sucrose, starch, amylopectin like polysaccharides and inulin like polysaccharides. There's also alligator glycoside A and a toxic glycoside.

[pharmacological action] ① effects on cardiovascular system

It has digitalis like cardiotonic effect. The results showed that the aqueous solution of rhizome alcohol extract had significant cardiotonic effect on isolated and in vivo toad heart, which showed that the cardiac contractility increased, the myocardial tension increased, and finally stopped in systole, and had no significant effect on heart rate. The effect of leaf extract was stronger than that of root extract. Intravenous injection of 1 g / kg had no significant effect on blood pressure and respiration in anesthetized dogs.

② Other functions

When pituitrin was used in anesthetized dogs to reduce the urine volume significantly, the root extract was injected intravenously, which immediately increased the urine volume and had obvious diuretic effect. It can stimulate the uterus of mice in vitro and cause spasm in large amount, similar to ergot.

[toxicity] two pregnant rabbits were given root extract 6 g / kg by gavage, one of them added leaf extract 2 g / kg, and another took whole herb decoction 40 g one day later. Another rabbit was injected with leaf extract 4 g / kg intravenously, then it was found that it was shortness of breath, struggling, mydriasis, exophthalmos, obvious hypoxia, and soon died of asphyxia. Dissection showed that the heart was still beating.

[nature and taste] "preparation of raw herbal medicine:" sweet in taste, cold in nature. "

Functions and indications: promoting blood circulation and detoxification, reducing swelling and relieving pain. Treatment of breast support, intestinal carbuncle, traumatic injury, lumbocrural pain.

① Lingnan medicine collection record: "if you take the head and mash it, you can apply it to treat breast sores and poisonous sores. "

② "The alcohol extract of leaves and rhizomes has cardiotonic and diuretic effects. It can also be used for pain relief, such as toothache, pain in muscles and bones, pain in waist and legs, gunshot and bruise, etc. "

③ "Zhejiang traditional Chinese medicine resources list": "for the treatment of foot intestinal carbuncle, lung carbuncle and hematemesis. "

④ "Promoting blood circulation, reducing swelling, detoxifying and relieving pain" is the "Handbook of Chinese herbal medicine" written by Su Yi. It can be used to treat injuries, waist and leg pain, muscle and bone pain; it can also be used to treat carbuncle and mastitis. "

[usage and dosage] oral administration: decoction, 1-3 yuan. External use: tamping.