Oranges are a common fruit, not only the flesh is delicious, but the orange peel also has certain health benefits. In recent years, more and more studies have shown that orange peel is rich in nutrients and active substances that are beneficial to human health. The health benefits of orange peel and their scientific basis are detailed below.
1. Antioxidant effect.
Orange peel is rich in antioxidants such as vitamin C, vitamin E and flavonoids. These substances can help scavenge free radicals in the body and reduce oxidative stress, thereby slowing down aging and preventing chronic diseases. Studies have also found that the flavonoids in orange peel have significant anti-inflammatory effects and can alleviate inflammatory symptoms such as arthritis and gout.
2. Regulate blood pressure and blood lipids.
Studies have shown that the active ingredients in orange peel can dilate blood vessels, lower blood pressure, reduce blood viscosity, and help prevent cardiovascular disease. In addition, the volatile oil components in orange peel can reduce blood lipid levels, especially bad cholesterol (LDL cholesterol), which can reduce the risk of atherosclerosis.
3. Antibacterial and antiviral.
The volatile oil components in orange peel have antibacterial, antiviral effects that can help prevent colds and other viral infections. In addition, the coumarin compounds in orange peel also have a significant inhibitory effect on some bacteria and fungi, and can be used for oral ulcers, stomach ulcers and other diseases.
4. Promote digestion.
The volatile oil components in orange peel can also stimulate gastrointestinal peristalsis, promote the secretion of digestive juices, and relieve symptoms such as indigestion and bloating. For patients with constipation, moderate consumption of orange peel can also play a certain role in relieving it.
5. Enhance immunity.
The many nutrients in orange peel can enhance the body's immune function, improve resistance, and reduce the risk of disease. Especially for the elderly, children, and the frail person, eating orange peel regularly can improve immunity and prevent colds and other diseases.
Orange peel has many health benefits, in addition to being eaten directly, orange peel can also be processed into various delicacies or health products, such as orange peel tea, orange peel candy, orange peel essential oil, etc. However, it should be noted that orange peel contains a certain bitter component, so it should be used in moderation to avoid discomfort caused by excessive amount. In addition, fresh orange peel contains harmful substances such as pesticide residues and heavy metals, which should not be eaten directly, so it is recommended to choose formal channels to buy processed orange peel products. In short, the rational use of orange peel as a natural ingredient can help us stay healthy and live longer.