No.

Cooked oranges will lose a certain amount of vitamin C, but will not affect the nutritional elements.

Efficacy of cooked oranges:

1. Can protect cardiovascular system

Oranges are rich in hesperidin, which can improve the elasticity of capillary walls. , thus dilating the arterial walls of blood vessels and having the effect of lowering blood pressure. As long as you eat cooked oranges regularly, you can quickly clean up the cholesterol in your blood vessels, and at the same time, you can quickly convert the cholesterol in your blood vessels, prevent blood vessels from becoming clogged, and reduce the risk of coronary heart disease and arteriosclerosis.

2. Can relieve bad breath

Oranges contain a lot of vitamin C and essential oils, which can help regulate qi and resolve phlegm, improve the health function of the spleen and stomach, and prevent and improve bad breath. In particular, the ingredients contained in orange peel are more beneficial to health. Bad breath is mainly caused by unhealthy spleen and stomach. Often using orange peels to boil water can freshen breath and relieve bad breath.

3. It has the effect of anti-diarrhoea

If you eat too many fresh oranges, it will easily cause internal heat, leading to oral ulcers or tongue sores. There are also some people who will suffer from constipation if they eat too many oranges, which will not only affect their health, but also disrupt the function of their gastrointestinal tract. As long as the oranges are cooked, the above symptoms can be prevented, because the vitamin C and volatile oil contained in the orange peel will directly enter the orange flesh and will not cause physical discomfort.

Extended information:

Taboos for eating oranges:

1. Don’t eat too many oranges

According to estimates, eat 3 oranges a day , can meet the daily requirement of vitamin C per person. If you eat too much, excessive intake of vitamin C will increase the amount of oxalic acid metabolized in the body, which can easily cause urinary stones and kidney stones. In addition, eating too much is harmful to the mouth and teeth. Eating too many oranges is also harmful to children's mouth, teeth, and gastric mucosa.

If children eat too much oranges, the heat generated cannot be converted into fat and stored in the body, and cannot be consumed in time. The accumulation will cause "fire", manifesting as stomatitis and periodontitis. , pharyngitis and constipation, etc.

2. People with poor gastrointestinal function should eat leisurely

People with poor gastrointestinal function who eat too many oranges are prone to gastric fecal stones. Excessive consumption of citrus fruits can cause "orange disease", with symptoms such as yellowing of the skin.

3. Oranges and milk should not be eaten together

The protein in milk easily reacts with the fruit acid and vitamin C in oranges and coagulates into blocks, which not only affects digestion and absorption, but also If it causes symptoms such as bloating, abdominal pain, and diarrhea, you should wait 1 hour after drinking milk before eating oranges. In addition, those with weak gastrointestinal, kidney, and lung functions should not eat too much to avoid causing abdominal pain, soreness and weakness in the waist and knees.

4. It is not advisable to eat with radish

After radish enters the human body, it will quickly produce a substance called sulfate, and it will soon be metabolized to produce an anti-thyroid substance—— Thiocyanic acid. If you eat oranges at this time, the flavonoids in the oranges will be decomposed in the intestines and converted into hydroxybenzoic acid and ferulic acid. They can strengthen the inhibitory effect of thiocyanate on the thyroid gland, thereby inducing or causing goiter.

5. Avoid eating oranges when taking medicine

Oranges are rich in fruit acid and vitamin C. Take vitamin K, sulfa drugs, spironolactone, triamterene and potassium supplements. When taking medicine, you should avoid eating oranges.

6. Avoid making tea with fresh orange peels

Most of the picked oranges are soaked in preservative before being put on the market. The preservative is a chemical agent. The soaked oranges are not good for drinking. The pulp has no effect, but the preservatives remaining on the orange peel are difficult to wash off with water. If you use such orange peels to soak in water instead of tea, it will be harmful to your health.

People's Daily Online - Six Taboos on Eating Oranges

People's Daily Online - Will the nutritional value of fruits be lost after they are cooked?

Reference source: People's Daily Online - Eating cooked oranges at home during the Spring Festival can protect the cardiovascular system and prolong life