Is Tiannanxing (mountain bract rice) poisonous? Attached picture

Tiannanxing, also known as Bai Nanxing, mountain bract rice, snake bao valley and so on, has been planted in many parts of our country, mainly growing in jungles, grasslands and bushes at higher elevations. Artemisia angustifolia has high medicinal value, and it is also a very ancient traditional Chinese medicine. Was Nanxing poisonous that day? What are the effects and effects?

Is Tiannanxing poisonous?

The taste of Tiannanxing is very bitter. It is picked in autumn and winter to remove fibrous roots and bark, and dried in the sun. It is made of ginger juice and alum to make Nanxing. The whole Artemisia sinensis is poisonous. Accidental ingestion of Artemisia angustifolia can cause strong irritation to the mucous membrane of the body, and at the same time cause certain damage to the skin. After the toxin is absorbed by the human body, it will paralyze human nerves, resulting in nausea, vomiting and dyspnea. Excessive accidental ingestion of Artemisia may also cause central nervous system necrosis, affecting all aspects of the human body and seriously affecting health.

The poisoning reaction caused by Tiannanxing is very strong. If you come into contact with the skin on the outside, you will feel itching and pain like ants gnawing. The serious consequences can also cause the wound to fester, which is very terrible. Accidental eating of Tiannanxing will lead to respiratory paralysis, seriously affect breathing, if not timely treatment, may lead to life-threatening.

Second, the efficacy and function of Tiannanxing

1. Anticonvulsant effect: intraperitoneal injection of Tiannanxing decoction of 3 g / kg could significantly inhibit convulsions caused by strychnine, pentamethene tetrazolium and caffeine, but could not resist the attack of electroconvulsion, and the anticonvulsant intensity varied with different varieties.

2. Expectorant effect: the mouse phenol red excretion method was used to carry out the experiment, which showed that Tiannanxing water agent had expectorant effect, and the amount of phenol red excreted from the respiratory tract of the drug group was 150% and 170% of that of the control group, respectively.

3. Sedative and analgesic effects: rabbits and rats showed decreased activity, quiet and dull righting reflex after intraperitoneal injection of Tiannanxing decoction. It can prolong the sleep time of adult barbital in mice and has obvious analgesic effect.

4. Antioxidation: the two alkaloids contained in Artemisia angustifolia can scavenge superoxide anion free radicals and inhibit lipid peroxidation in liver mitochondria.

5. Anti-tumor effect: the alcohol-treated preparation of Tiannanxing water extract can inhibit Hela cells in vitro, and has certain inhibitory effect on experimental tumors in mice, such as sarcoma S180 ~ (10) HCA solid type and U14.

6. Detumescence and loose knot: for sore, furuncle, carbuncle and tuberculosis, use Shengnanxing to make thick juice with vinegar and smear the affected area. For snakebite, mash the affected area with fresh Nanxing, or use Nanxing and realgar as the end, mix with liquor.

7. Other effects: two alkaloids S201 and S202 in Tiannanxing could inhibit the contractility of atrium and papillary muscle and the frequency of sinoatrial ganglion in isolated dogs, and antagonize the effect of isoproterenol on heart.