Why does orange juice cure colds? – VnExpress

In addition to containing a lot of vitamin C to prevent colds, orange juice also protects the mucous membranes in the nose, water balance.

Vitamin C plays an important role in maintaining an immune system. In addition, they are also an antioxidant that helps protect cells, especially white blood cells (WBC). Follow Eat This, Not Thatabout 250 ml of orange juice can provide 124 milligrams of vitamin C. This amount represents 165% of the recommended daily amount of vitamin C for women, about 140% for men.

According to research from the Cochrane library (UK), continuous intake of at least 200 milligrams of vitamin C per day can reduce the duration of colds by 8% in adults and 14% in children. Finnish scientists recommend that people drink orange juice or take vitamin C at the first sign of a cold. Because when the body is infected, this vitamin source cannot shorten the duration of a cold or reduce the severity of symptoms.

Oranges contribute to healthy glowing skin and the ability to reduce the risk of many diseases. Image Freepik

Water balance

The body cannot produce potassium, so you must get it from food to meet your recommended daily requirement. According to scientists, orange juice contains a large amount of potassium. On average, 250 ml of orange juice can provide almost 20% of daily potassium intake in women and 15% for men.

In terms of benefits, potassium plays an important role in water balance in the body. This is very useful for people with colds and frequent sneezing and runny nose. Because fluids are often lost by blowing your nose, and your body often sweats if you have a low-grade fever.

Besides, orange juice is also a liquid that helps maintain temperature, transport nutrients throughout the body. A study from the American Dietetic Association found that orange juice can help retain more potassium and promote better water balance when compared to sports drinks, plain water, and other beverages.

Protects mucosal tissues in the nose

According to researchers at the University of Seville (Spain), orange juice is a drink containing two types of carotenoids, phytoene and phytofluene. Carotenoids are organic pigments found in plants that give them their orange-yellow color. After entering the human body, they will be converted into retinol or vitamin A. Vitamin A also has the ability to protect the tissues lining the nose and throat by acting as a barrier against germs.

In addition, these substances are also good for eyesight and have antioxidant properties, which help reduce inflammation effectively.

Immune system support

Hesperidin is a plant pigment with antioxidant, anti-inflammatory effects found mainly in citrus fruits. In 100 ml of orange juice can contain 30 mg of hesperidin. According to research from French scientists, drinking orange juice regularly for 4 weeks will change the gene expression of white blood cells into anti-inflammatory, anti-atherosclerotic, and support the immune system.

Although it brings many benefits, orange juice is a contraindicated drink for some subjects. Those are people with gastroesophageal reflux disease because the acidic content of orange juice can lead to symptoms of heartburn, regurgitation. In addition, orange juice is also a drink high in calories and sugar. Therefore, we should only consume this drink in moderation, using fresh oranges to squeeze the juice.

Huyen My
(Follow Eat This, Not That, Medical News Today, Verywell Health)


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