Nardostachys chinensis has the functions and effects of invigorating spleen and stomach, drying dampness, and expelling toxicity. It belongs to a kind of short plant, which has a very good protective effect on life and health. In the beginning, people only regarded it as a spice. In fact, its roots and stems have great medicinal value and can be very helpful in the treatment of diseases. 1. Functions, Effects, and Contraindications of Nardostachys chinensis: Functions and Effects: regulating qi to stop pain, relieving depression, invigorating spleen and stomach, dispelling dampness, and reducing swelling. Effects: It is suitable for abdominal distension, poor appetite, vomiting, stomach pain, headache, toothache, and swollen feet. Contraindications: People with qi deficiency and blood heat should avoid taking Nardostachys chinensis. 2. Pharmacological Effects of Nardostachys chinensis: Central Sedative Effect: Nardostachys chinensis has a sedative effect similar to valerian on frogs and rabbits, but its toxicity is stronger than the latter. The volatile substances of Nardostachys chinensis also have similar sedative effects and have a certain sedative effect. Its organic solvent extract can cause sedation and blood pressure elevation when administered orally or intraperitoneally to mice, rats, and cats. The ethanol extract has the highest efficacy, and large doses are toxic, with 1.5-3.75 grams/kg being fatal. Anti-Arrhythmic Effect: Valepotriates have an anti-arrhythmic effect and are relatively safe. Its inhibition of ectopic ventricular rhythm (unanesthetized dogs after coronary artery ligation) is stronger than quinidine and the volatile oil of Nardostachys chinensis, while its inhibition of traumatic atrial flutter and aconitine-induced atrial fibrillation is the same as quinidine. The volatile oil extracted from the roots of Nardostachys chinensis has weaker effects on prolonging the refractory period and slowing conduction on various heart specimens compared to quinidine. Its toxicity in acute intravenous injection to mice is also less than quinidine, and it has no protective effect on ventricular arrhythmias caused by digitalis.
