The function of dried tangerine peel:

1. Effect on digestive system: The volatile oil contained in dried tangerine peel has a slight stimulating effect on gastrointestinal tract, which can promote the secretion of digestive juice and eliminate gas accumulation in intestinal tract, showing the effects of aromatic invigorating stomach, expelling wind and reducing qi.

2. Effects on cardiovascular system: Chenpi decoction and alcohol extract have exciting effects on myocardium, but they will have inhibitory effects when the dose is too large. In addition, it can also cause slight contraction of blood vessels and rapidly raise blood pressure. Pectin in dried tangerine peel can also prevent arteriosclerosis caused by high-fat diet.

3. Effect on respiratory system: The volatile oil contained in dried tangerine peel has irritating and passive expectorant effects, which makes sputum easy to cough up. Chenpi decoction has a weak dilating effect on bronchi. Its alcohol extract has high anti-asthma effect.

4. Effect on genitourinary system: Chenpi decoction can contract renal blood vessels and reduce urine output.

5. Anti-inflammatory effect: Chenpi decoction combined with vitamin C and vitamin K can enhance anti-inflammatory effect.