1, orange peel contains more volatile oils, volatile in the air will accelerate the decomposition of body fat, which will not only affect the taste of food, but also stimulate the gastric mucosa, causing gastric distension and other discomforts.

2, orange peel is rich in protein, calcium, iron, phosphorus, potassium and other trace elements, if used to bake oranges, due to the orange peel contains a lot of volatile oil, if it is placed directly in the oven to bake, it will become a high-temperature oil, oxidative denaturation, and is prone to odor.

3, orange peel contains more salt, after regular consumption, may increase the burden on the kidneys, especially with high blood pressure, kidney disease should pay more attention to the crowd.

4, orange peel contains a large amount of citric acid, long-term consumption will be human body allergic symptoms, and even induce cirrhosis of the liver. In addition, the orange peel contains a lot of sulfide, if consumed with certain vitamins or other minerals, will reduce the nutritional value, thereby damaging human health.

5, orange peel is also a drug with astringent effect, if then eat it together with orange peel, will reduce the effectiveness of the drug.

6, orange peel in water can also treat constipation.