Many people have eaten apples and oranges. When buying apples, we always prefer red. We think that red apples are the most nutritious and delicious. The effects of different colors and varieties of fruits are also different. Let’s take a look.

1. Apple

Apples contain elements such as phosphorus and iron, which are easily absorbed by the intestinal wall. Its nutritional value is very high, and it has many laudatory titles such as "king of fruits" and "memory fruit". The nutritional value of apples of different colors is different.

· Red apple

Red apples are rich in anthocyanins and flavonoids, have good antioxidant properties, can improve circulation and protect the heart. Therefore, red apples are especially suitable for patients with cardiovascular and cerebrovascular diseases and hyperlipidemia.

· Green Apple

Green apple has a sweet and sour taste, and its pulp is more brittle. It is rich in nutrients such as dietary fiber, polyphenols, and vitamin C. It has high fruit acid content and low calorie content. It has a good effect on people who are nervous and depression.

At the same time, the calcium in green apples can promote the growth of teeth and bones, prevent gum bleeding, and is more suitable for young people to eat.

· Yellow Apple

The flesh of the yellow apple is creamy white, soft and sweeter than the other two apples. In addition to general nutrients, yellow apples are also rich in flavonoids and carotenoids, which can be converted into vitamin A in the body after ingestion, which has a good protective effect on vision. For people who stay up late, they are more beneficial.

As for the time to eat apples, everyone has different opinions. In fact, apples are best eaten in the morning, followed by noon, and the nutritional value of apples at night is the lowest.

Because the speed of gastrointestinal peristalsis slows down at night, go to bed immediately after eating apples, and the apples that have not been fully digested remain in the stomach, which will increase the burden on the stomach and is not good for the health of the stomach. If you want to eat apples at night, you can choose to eat it 1 to 2 hours before going to bed. 

And apples contain a lot of sugar, which can help the human body to supplement sugar, especially in the morning on an empty stomach, and can also promote our gastrointestinal digestion.

2. Oranges

Oranges are rich in vitamin c and citric acid, vitamin c has a cosmetic effect, and citric acid has the effect of eliminating fatigue.

Like apples, oranges also have many colors and varieties, but they are relatively monotonous. Oranges have green and orange. Let's take a look.

· Green oranges

The green orange is not immature, it is its original form. After peeling off this green peel, we can see that the inside of the pulp is an orange-red color with a lot of juice in it, it tastes sweet and sour, crispy and juicy.

When mature, this color will be particularly greenish, and this color will not be particularly bright.

· Orange-red oranges

The rind of an orange is orange-yellow, because its rind contains orange-yellow pigment, but there are also many varieties of oranges, and their colors are slightly different. Some oranges also have vermilion peels, as well as pale yellow or dark red.