1, anti-vomiting effect: the system of Pinellia can activate the vagus nerve out of the activity and has an anti-emetic effect, the birth of Pinellia can "sick throat" and "spit". Pinellia can prolong the incubation period of sputum vomiting caused by copper sulphate or vomiting, and can antagonize the vomiting of subcutaneous injection of chlorpyrifos hydrochloride in water. This effect is not affected by Chuanwu.
2, antitussive effect: Alkaloids in Pinellia can inhibit the cough effect of cough center. Intravenous injection of Pinellia ternata, Ginger Pinellia and Facia Pinellia has a significant antitussive effect on the cough caused by injecting iodine into the chest or electrically stimulating the laryngeal nerve. The antitussive effect of 0.6g is close to codeine 1 Mg/kg.
3, anti-ulcer effect: Pinellia decoction alcohol solution can reduce gastric juice secretion, reduce gastric acid free acidity and total acidity, inhibit pepsin activity, protect gastric mucosa, promote gastric mucosal repair, with anti-rat pyloric ligation ulcer, The role of indomethacin ulcers and stress ulcers.
4, anti-arrhythmia effect: intravenous injection of Pinellia infusion to the dog, the ventricular premature beat caused by strontium chloride can quickly disappear without recurrence, the effective rate is 97%. The ventricular tachycardia caused by adrenaline can be rapidly converted into sinus rhythm, and the effective rate is 96%.
5, the impact on liver and gallbladder: Pinellia can promote bile secretion in rabbits, can increase the blood corticosterone in mice, enhance the induction of corticosterone on the liver tyrosine aminotransferase, increase the activity of tyrosine aminotransferase in the liver .
6, sputum effect: Rat intraperitoneal injection of Pinellia decoction can significantly inhibit the secretion of pilocarpine on saliva. The ethanol extracts from Pinellia ternata and Pinellia ternata were intragastrically administered to the mice. The ethanol extract of Pinellia ternata was determined by the phenol red method to have a certain sputum effect, but no obvious effect was observed in Pinellia ternata. Zou Jilong and other studies have shown that the longer the storage time in Pinellia, the stronger the effect of sputum.
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