Watermelon, also known as cool melon, summer melon and watermelon, originated in Africa and is one of the most important summer products in hot summer. The literal translation of the English name of watermelon is a melon with plenty of water. In Taiwan Province Province, there are red watermelons, yellow-hearted emerald watermelons, seedless watermelons and black beauties.
Which is more nutritious, yellow watermelon or red watermelon? Red watermelon is also rich in lycopene, β -carotene and vitamin A, which has antioxidant and cancer prevention effects. Although there are yellow watermelons, the content is relatively small. Most people are familiar with the high content of lycopene in tomatoes, but they often don't know that red watermelon is also quite rich. If β -carotene and vitamin A are taken as examples, red watermelon is obviously higher than Liu Ding, and it is not inferior to papaya.
Whether it is lycopene or vitamin A, cooking with oil can improve the absorption rate. In this respect, eating watermelon after meals is better than eating on an empty stomach, and it can relieve the greasy feeling of meals.
Where is the vitamin C of watermelon? In the vitamin C part, the content of watermelon is not as prominent as most people think. 100 grams of watermelon contains only 8 mg of vitamin C, and the most abundant is not the red and yellow pulp, but the white pulp between watermelon peel and watermelon seed.
I heard that watermelon contains a lot of water. Is the heat relatively low? The water content of watermelon is as high as 93%. Every100g peeled watermelon has about 35 calories, which is not a high-calorie fruit. However, it should be noted that most people like to eat cool watermelons to quench their thirst, one after another, and it is easy to eat too much unconsciously. After a meal, three or four tablets are close to 100 calories, and the calorie intake is often not as low as expected.
Watermelon is so sweet, is the glycemic index high? It is not entirely correct to judge GI value by sweetness. Some fruits have high sweetness, but the GI value is not high. The key lies in dietary fiber. Apples and guavas, for example, have enough dietary fiber as a buffer, which is sweet to eat, but it will not cause blood sugar to soar. Watermelon, on the other hand, has little dietary fiber. Through the stomach, blood sugar and insulin secretion can be improved immediately. People with diabetes should control their consumption.
Eating melons after heatstroke can reduce fever and cool down! Chen Wangquan, honorary chairman of Taipei Traditional Chinese Medicine Society, said that watermelon is cold and sweet, which can clear away heat and relieve summer heat, relieve boredom and quench thirst. Because of the high water content, eating watermelon can also help urinate, lower blood pressure and sober up. In traditional medicine, watermelon is also called "natural white tiger soup", which can be used to relieve inflammatory fever such as tonsillitis and sore throat. People with oral inflammation are also suitable for eating watermelon. Eating watermelon after heatstroke has the effect of reducing fever and cooling down.
Who is not suitable for eating too many watermelons? In addition to cold constitution deficiency, poor gastrointestinal function and gastrointestinal ulcer, patients should avoid eating watermelon, and women who have just given birth and postoperative patients should not eat more. Watermelon is not a high-potassium fruit, but after eating three tablets, the potassium intake is 300 mg. Kidney patients who need to control potassium intake should pay special attention, and the amount of watermelon juice should be stricter.
As for diabetics, because the sugar content of watermelon is slightly higher, we should also control the consumption. Limit three tablets (300g) at a time, and take them twice a day at most.
Why not eat watermelon on an empty stomach? There is a saying in Taiwan Province Province, "Half-eaten watermelon is the opposite of illness". Mainly because I ate too many watermelons on an empty stomach, and I had a stomachache in the middle of the night, so I got up and had diarrhea. Watermelon is cold. For people with weak gastrointestinal function and weak constitution, eating on an empty stomach is easy to upset the stomach. People with frequent urination should avoid eating watermelon too late, so as to avoid frequent urination and affect sleep. As far as nutrient absorption is concerned, lycopene or vitamin A is boiled in oil to improve the absorption rate, so eating watermelon after meals is better than eating on an empty stomach.
Is the drug "watermelon frost" on the market made of watermelon? The famous watermelon frost is also one of the watermelon products. Watermelon frost raw materials do come from watermelons, but they are not made from watermelon pulp, but from watermelon skin. Watermelon skin will appear moldy white creamy powder when it is left for a long time. After it is removed, it is the earliest watermelon frost, which can cool and relieve fever. In modern watermelon frost, other Chinese herbal medicines have been added to treat gum swelling and pain, stomatitis and other problems.
Must I put the big watermelon in the refrigerator after I buy it back? Many people are greedy for chilled watermelons and throw them into the refrigerator as soon as they buy them, thinking that the refrigerator can extend the shelf life.
But in fact, tropical fruits such as watermelon are not suitable for storage in the refrigerator. Studies have shown that room temperature can help watermelon mature and improve antioxidant components such as lycopene, while low temperature may destroy its nutrients. Moreover, watermelon contains a lot of water, and long-term refrigeration will evaporate the water and affect the taste. It is suggested that when buying watermelons, don't be greedy, and try to buy them after eating. Studies in the United States have found that a room temperature of 2 1 degree Celsius and a ventilated place are helpful for watermelon ripening, and can also increase the contents of lycopene and beta carotene.
※? This article is authorized by Yuan Qi. Com, the original text is here.