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How to pick watermelon: the most practical tips for picking watermelon

Watermelon tastes sweet and juicy, refreshing and thirst quenching. It is a good fruit in midsummer. It can dispel summer heat and thirst. Watermelon contains a variety of nutrients required by human body. It is a nutritious, pure and safe food. Choosing a ripe and delicious watermelon is the time to test your eating ability. Please follow Xiaobian to teach you how to recognize melons.

Watermelon several key points of watermelon selection: 1. Look at the bottom of the melon. The smaller the circle is, and the melon butt is prominent, indicating that it is a melon; On the contrary, the circle at the bottom of the melon is large, while the concave melon is not sweet.

watermelon

2. Look at the stem of the melon, which is fresh and curved, indicating that it is a freshly picked melon. On the contrary, if the melon stem is dry, it means that the melon has been picked for a long time and is not fresh.

watermelon

3. Look at the lines of melons. They are clear, bright and smooth. They are good melons. There will be some yellow skin on one side of the melon. This part is where the melon sits on the ground and cannot be exposed to the sun. The less the Yellow position, the better.

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4. Listen to the sound. This part is very important. When the appearance of the melon meets our above conditions. Holding the melon in one hand and patting the watermelon with the other hand, if you hear the sound of "Dong Dong", it is like patting a belly full of water. There is some empty sound, that is a good sweet and juicy melon. If you hear the sound of "fluttering", like patting the solid forehead, it is an immature melon.

Watermelon taboo eating watermelon although watermelon is delicious, eating watermelon also has its taboo that can not be ignored.

1. Don't eat watermelon that has been opened for too long. The temperature is high. Watermelon that has been opened for too long is easy to deteriorate and reproduce bacteria. Eating it will lead to intestinal infectious diseases. Therefore, when eating watermelon, you should pay attention to choosing mature fresh watermelon. 2. Those with renal insufficiency should not eat a lot of watermelon in a short time, so as to increase the water in the body and exceed the physiological capacity of the human body. In patients with renal insufficiency, the ability of the kidney to regulate water is greatly reduced. Too much water entering the body can not be regulated and discharged from the body, resulting in a sharp increase in blood volume and easy death due to acute heart failure. 3. People with oral ulcer should not eat. Traditional Chinese medicine believes that the main cause of oral ulcer is Yin deficiency, internal heat, disturbance of virtual fire and burning of flesh and blood. Watermelon has diuretic effect. If people with oral ulcer eat more watermelon, they will excrete some normal water required by the body through the diuretic effect of watermelon, which will aggravate the deficiency of Yin fluid. Yin deficiency will increase internal heat and aggravate oral ulcer. 4. Don't eat too much, otherwise it will hurt the spleen and stomach and cause pharyngitis

Watermelon is a raw and cold product. Eating too much is easy to hurt the spleen and stomach. Therefore, it is appropriate for those with deficiency of cold in the spleen and stomach, dyspepsia and slippery stool to eat less. Eating more will lead to abdominal distention, diarrhea, loss of appetite, accumulation of cold and dampness, leading to disease. If you eat too much watermelon at one time, a large amount of water in watermelon will dilute gastric juice, resulting in indigestion and decreased gastrointestinal resistance.

5. Don't eat watermelon at the beginning of a cold

Don't eat watermelon at the beginning of a cold, otherwise it will aggravate the cold or prolong the cure time. Whether it is wind cold cold or wind heat cold, its initial stage belongs to surface disease, and the divergence method of resolving disease pathogens from the surface should be used for treatment. Traditional Chinese medicine believes that if the exterior is not solved, you can't attack the interior, otherwise it will make the exterior evil enter the interior and aggravate the condition. In the early stage of a cold, when the evil is on the surface, eating watermelon is equivalent to taking drugs to clear away the heat in the interior, which will lead the evil into the interior, aggravate the cold or prolong the cure time. However, when the cold worsens and there are fever such as high fever, thirst, sore throat and yellow red urine, you can eat some watermelon while taking normal drugs, which will help to heal the cold.

Sweet watermelon

6. Eat less ice watermelon

Although eating ice watermelon on hot days has a good effect on relieving summer heat, it has great stimulation on the stomach and is easy to cause damage to the spleen and stomach. Therefore, we should pay attention to the temperature and quantity of delicious food. It's best to put watermelon in the lowest layer of the refrigerator. The temperature here is about 8-10 ℃. This temperature has the best taste. The amount of watermelon should not exceed 500g each time, and should be eaten slowly. For those with dental caries (tooth decay) and tooth allergy who will feel acid and pain after cold, as well as those with poor gastrointestinal function, it is not suitable to eat ice watermelon.

7. Watermelon is a fruit with high sugar content. It is easy to convert into fat, which is not conducive to health

You can eat less sugar in the middle of watermelon, and choose the red and white watermelon skin to eat; Moreover, it is not suitable to eat watermelon after 9 o'clock in the evening. It is easy to have a lower abdomen and lower abdomen; In summer, you can even cook with watermelon skin, such as cold watermelon skin: take the watermelon skin with a slightly red pulp, remove the outermost hard skin, cut it into small pieces, and then add sugar, salt and various condiments according to your own taste. It is not only refreshing, but also beautiful and lose weight.

8, diabetic patients need to eat watermelon.

Watermelon contains about 5% sugar, mainly glucose, sucrose and some fructose, that is, eating watermelon will increase blood sugar. Normal people can keep blood sugar and urine sugar at normal level because they secrete insulin in time. And diabetes patients are different, in a short period of time to eat too many watermelon, not only blood sugar will increase, the more serious condition may also cause metabolic disorders caused by acidosis, and even life-threatening. The amount of carbohydrate (carbohydrate) eaten by diabetics is strictly controlled. Therefore, if we eat watermelons many times a day, we should reduce the number of food and flour products (carbohydrates) accordingly, so as not to aggravate the disease. If you eat 25-50 grams of watermelon at a time, it has little effect on diabetics, so diabetic patients should pay attention to the right amount when eating watermelon.

9. Pregnant women should not eat more watermelon

Maternal physique is relatively weak. Traditional Chinese medicine believes that eating more watermelon will be too cold and damage the spleen and stomach.

It is not suitable to eat before and after meals, because a large amount of water in watermelon will dilute the digestive juice in the stomach. Eating before and after meals will affect the digestion and absorption of food. Moreover, eating a large amount of watermelon before meals will occupy the volume of the stomach, greatly reducing the intake of a variety of nutrients during meals, especially the health of children, pregnant women and nursing mothers. For people who want to lose weight through diet, eating watermelon before meals is a good way to reduce food intake.

10. Watermelon must be washed before eating

Watermelon must be washed and cut with a clean knife. Do not cut it without washing the melon and knife. Do not eat the melon pulp bitten by mosquitoes, flies, etc. to prevent diseases from entering from the mouth.