Chenpi - Tangerine Peel
Chenpi has always enjoyed the reputation of "thousand-year ginseng, century-old tangerine peel", and is well-known both at home and abroad. "One tael of tangerine peel and one tael of gold", many people know tangerine peel because it has a good effect of regulating qi and invigorating the spleen. However, did you know that tangerine peel can also dry dampness and resolve phlegm.
The effect of tangerine peel
Tangerine peel is the dried and mature pericarp of Rutaceae orange and its cultivars.
The ancients found that "orange peel" is used as a traditional Chinese medicine, and the "tangerine peel" that has been dried and aged for a long time is more effective.
Tao Hongjing, a medical scientist in the Southern and Northern Dynasties, said: "Orange peels are good if they are aged for a long time." Those with a storage period of less than three years can only be called fruit peels or orange peels, and those with a storage period of three years or more are called tangerine peels.
Its nature and flavor are pungent, bitter, and warm, and it belongs to the spleen and lung meridian.
Li Shizhen said it in "Compendium of Materia Medica": "Its taste is pungent, bitter, warm, pungent can be dispersed, bitter can relieve dryness, and warm can calm all diseases.
Pharmacological Research on Tangerine Peel
Tangerine peel is a good product for both medicine and food. It is a favorite health food for people. It can not only be used as medicine, but also for cooking, porridge, soup, and wine.
All conditions such as poor appetite, nausea and vomiting, abdominal fullness, and poor defecation caused by stagnation of spleen and stomach qi can be eaten with tangerine peel.
When treating cold phlegm and damp phlegm cough, tangerine peel also has good performance.
Erchen Decoction, a classic prescription of traditional Chinese medicine for expectoration, is composed of pinellia, tangerine peel, poria cocos, licorice, ginger, and dark plum. If you have symptoms such as cough, excessive phlegm, chest tightness, nausea and vomiting, you can add or subtract it for syndrome differentiation.
Modern pharmacological studies have found that tangerine peel mainly contains flavonoids, such as hesperidin, nobiletin, tangeretin, etc., and also contains synephrine and volatile oil. It does have the effects of regulating qi and invigorating the spleen, drying dampness, resolving phlegm and relieving asthma. It is often used for distension and fullness in the chest and abdomen, belching and vomiting, loss of appetite, and cough with excessive phlegm.
In the tangerine peel aged for more than three years, the content of flavonoid active ingredients increases with the increase of the age, so that the efficacy of the medicine is better.

Tangerine peel is best boiled in water
There are many daily application methods of tangerine peel. The following is a common method of soaking tangerine peel in water.
1. Direct brewing method
Similar to the general method of making tea, take 3~5 grams of tangerine peel, break it into small pieces, put it into a tea bowl (you can choose a covered bowl), add boiling water, soak for 1 minute, and pour off the tea soup. This tea washing step is called "awakening tangerine peel". ". Then, pour boiling water, cover the lid and soak for about 1 minute, then soak for 3 to 5 minutes before drinking.
2. Boiling method
When boiled at high temperature, the nutrients of tangerine peel can be fully released, which is more conducive to the body's absorption.
Take 3~5 grams of tangerine peel, wash it with clean water, put it into a container, add about 500ml of cold water (mineral water is recommended), boil on high heat, turn to low heat, cook for 5~10 minutes, and then drink.
The longer the cooking time, the stronger the flavor.

Precautions:
1. Chenpi used as medicine is divided into Chenpi and Guangchenpi. For brewing tea substitutes, it is recommended to choose tangerine peel that is more than 3 years old, because its taste and effect are better.
2. Tangerine peel tea cannot be taken continuously for a long time, and the dosage should not be too large each time, 3~5 grams is enough. This is because tangerine peel is warm and dry in nature, and it is easy to help heat.
3. Dried tangerine peel cannot be self-made, and its preparation process is very complicated. Improper handling may cause mold and insects, which is not good for human health.
Do not eat tangerine peel in five situations
Although the effect of tangerine peel is "powerful", it is not suitable to eat tangerine peel in these five situations——
1. Dried tangerine peel is warm in nature, so it is not suitable for those who suffer from exogenous febrile disease (such as asthma with excessive heat, coughing up sputum that is yellowish-white), fiery heat in the interior, yin deficiency with hyperactivity of fire, blood deficiency and blood heat, etc.
2. Dried tangerine peel has the effect of raising blood sugar, so diabetics should avoid taking it in large quantities for a long time.
3. Avoid cold, sticky and phlegm-prone foods when taking tangerine peel.
4. Dried tangerine peel is dry, and long-term use can easily damage body fluid. Therefore, people with body fluid-consuming diseases such as dry cough and hematemesis should not take large amounts for a long time.
5. Pregnant women and breastfeeding women should use tangerine peel with caution, and take it under the guidance of a doctor if necessary.
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