As one of the most common fruits in people's daily life, oranges are liked by consumers because of their sweet and sour taste. Especially in the sultry summer, eating an orange will make people instantly full of energy and increase their appetite.

Orange, the fruit of the citrus orange tree, its parents are oranges and grapefruit, citrus plants were first produced in Southeast Asia. It was not until the 15th century that it was introduced to Europe, and then from Europe to the Americas, which gradually swept the world.

Oranges are loved by most people, full of juice, and oranges can also be juiced to drink. But for the loyal lovers of oranges, you should know about these effects of oranges!

1. Appetizers, help digestion. Many people experience anorexia and indigestion in winter. In fact, all you need to get rid of these troubles is an orange, because oranges have a unique fragrance, and the fruit can appetize and refresh us. So if you have recently eaten too much or too greasy and caused indigestion, you might as well eat an orange.

2. Protect blood vessels. The hesperidin contained in oranges can pharmacologically reduce capillary fragility and also help reduce blood lipids. Therefore, for middle-aged and elderly people, eating some oranges every day has good benefits for keeping blood vessels healthy.

3. Oranges can relieve stress. Orange has a special fragrance, which can help relieve people's emotional stress. This is because orange peel is rich in hesperiol, and phenolic compounds are particularly volatile. So when we peel off the orange, the aroma will hit our nostrils, and our stress will be relieved at this time.

In addition, when choosing oranges, you should pay attention to the following tips:

1. Look at the color.

Generally, the darker the color, the more vitamins and sweetness will be compared, this is because the proof of sufficient sunlight exposure, but different varieties may be different.

2. Feel the softness of the skin.

Oranges with thinner skins have more moisture and are more elastic when pinched, while oranges with hard skins have a poor taste. Pinch the orange when you buy it, if the peel is hard, you can easily feel it.

3. Oranges of the same size, the heavier ones are delicious.

This method is suitable for the selection of many kinds of fruits, because the fruit of the same size, the heavier one has a higher water content and tastes better. When purchasing, you can hold one in each hand to feel the weight.

4. Smell.

Fresh fruit will give off a sweet and greasy taste, but it has a unique fruit aroma. If you can't smell this smell, go elsewhere to buy it!

Oranges are good, but they should not be eaten in the following situations:

1. Oranges are rich in fruit acid and vitamin C. Do not eat oranges when taking sulfa drugs and vitamin drugs;

2. It is not suitable to eat on an empty stomach. The organic acid contained in the orange will stimulate the gastric mucosa, which is not good for the stomach;

3. It is not advisable to eat oranges when drinking milk. Milk is rich in protein, which easily reacts with the fruit acid and vitamin C in oranges and coagulates into solids. This will not only affect digestion and absorption, but also cause abdominal distension, abdominal pain and other symptoms.