Oranges eat too much skin will turn yellow, the reason for this, is that people eat too many oranges got orange yellow syndrome. Orange, also known as carotenemia, generally eat too much at one time or eat too many oranges in a short period of time, resulting in a large number of carotenoids into the bloodstream, oranges are rich in yellow pigmented β-carotene, the liver can not be converted in time to vitamin A, so that the concentration of carotenoids is too high in the superficial skin tissues, the deposition of the skin, the skin will be yellowing phenomenon.

Not only citrus, eat more beta-carotene-rich foods including carrots, pumpkin, okra, flower stem kale, spinach, parsley, perilla and other yellow-green vegetables, as well as seaweed, etc., or drink more of these vegetables squeezed juice, the skin is likely to become yellow.

Beta carotene

Beta carotene is a fat-soluble vitamin that is metabolized slowly in the body. If you eat too much at once or often eat, will cause the human blood β carotene concentration is too high, deposited in the skin tissue to make the skin yellow, and then lead to "orange disease" symptoms. In general, "orange-yellow disease" is not toxic, harmless to the human body. "Once the skin turns yellow, as long as you stop eating beta-carotene-rich foods, it will lessen within a week and recede completely within a month or so, without the need for medication."

Tangerines are nutritious, but should not be eaten in excess. "Oranges are rich in vitamin C, if excessive intake of vitamin C, the body's metabolism of oxalic acid will increase, easy to cause urinary stones, kidney stones. In addition, it is also harmful to a person's oral cavity, teeth, gastric mucosa."

The taboo of eating oranges

1, before meals or fasting should not eat

Because the orange pulp contains certain organic acids, in order to avoid its stimulation of the gastric mucosa to cause discomfort, the stomach is not good, it is recommended that do not eat oranges on an empty stomach.

2, oranges and milk should not be eaten together

Milk in the protein is easy to react with orange fruit acids and vitamin C, coagulation into a block, not only affect the digestion and absorption, but also cause bloating, abdominal pain, diarrhea and other symptoms. Therefore, eating oranges before and after an hour should not drink milk.

3, should not be eaten with radish

Radish into the body, will quickly produce a substance called sulfate, and soon metabolized to produce an anti-thyroid substance - thiocyanic acid. If you eat oranges at this time, the flavonoids in oranges will be broken down in the intestinal tract and converted into hydroxybenzoic acid and ferulic acid, which can strengthen the inhibitory effect of thiocyanic acid on the thyroid gland, thus inducing or causing goiter.

4, medication avoid eating oranges

Orange is rich in fruit acids and vitamin C, taking vitamin K, sulfonamides, ampicillin, aminopterin and potassium drugs, should be avoid eating oranges.