Watermelon effects:

1, watermelon juice also contains a variety of important health and beauty of the chemical composition. It contains citrulline, alanine, glutamic acid, arginine, malic acid, phosphoric acid and other amino acids with physiological activity of the skin, but also contains adenine and other important metabolic components, sugars, vitamins, minerals and other nutrients. And these components of watermelon, the most easily absorbed by the skin, the facial skin moisturizing, sunscreen, whitening effect is very good.?

2, watermelon water, eat watermelon after urination will increase, thus reducing the content of bile pigment, and make the stool unobstructed, on the treatment of jaundice has a certain effect. In addition, the diuretic effect of watermelon can also make the salt out of the body, reduce swelling, especially swelling of the legs, for long time sitting in front of the computer and numbness and swelling of the legs of women, watermelon is a natural leg fruit.

3, watermelon is rich in potassium, can quickly replenish in the summer easy with the loss of potassium sweat, to avoid the resulting muscle weakness and fatigue, drive away burnout.

4, fresh watermelon juice and fresh melon rind can increase skin elasticity, reduce wrinkles, add luster.

5, often eat watermelon can also make the hair beautiful and dense, due to perm and hair dry people, can eat more.

Watermelon contraindications:

1, should not be eaten: watermelon water, water in the stomach will dilute the gastric juice, causing indigestion or diarrhea.

2, spoiled can not eat: watermelon spoiled can not eat, easy to cause gastrointestinal disease and dysentery.

3, diabetics should not eat too much watermelon: eat too much watermelon in a short period of time, not only will the blood sugar rise, the condition of the more serious may also be due to metabolic disorders and acidosis, and even life-threatening.

4, renal insufficiency patients to eat less or do not eat watermelon as well. Renal insufficiency patients, the function of water discharge greatly reduced, if you eat too much watermelon, will be due to excessive intake of water, and can not timely discharge of excess water, resulting in excessive storage of water in the body, increased blood volume, edema easily induced acute heart failure.

5, the early stage of colds: eating watermelon will make the cold worse or prolong the course of the disease.

6, mouth ulcers eat more watermelon, will make mouth ulcers need to recover water is too much discharge, thus aggravating the Yin deficiency and internal heat, so that the course of the disease is prolonged, not easy to heal.

7, before and after meals should not be eaten: eat before and after meals will affect the digestion and absorption of food, and eat a lot of watermelon before meals will occupy the volume of the stomach, so that a variety of nutrients ingested in the meal greatly reduced, especially on the children, pregnant women and breastfeeding mothers have a greater impact on the health.

8, open time too long can not eat: the weather temperature is high, suitable for bacterial reproduction, eat watermelon should pay attention to choose mature fresh watermelon.

Expanded

Watermelon selection method

Pick the shape, the bottom of the watermelon circle, the smaller the better, on the contrary, the bottom of the circle the bigger, the thicker the skin, the more difficult to eat; pick the color, it is best to pick the green, do not fog white; pick the grain, watermelon grain neat is a good watermelon; pick the head of the melon, is the so-called head! The first thing you need to do is to choose the right color of watermelon, and then choose the right color of watermelon, and then choose the right color of watermelon.

There are three ways to pick a good quality ripe watermelon: one look, two touches, three knocks.

One look is to see the skin color of the watermelon. The ripe melon, that put there is a curve, and then that put there is a root, the color is not the same, to choose the melon lines deep, the melon skin green translucent. If there are hairs on the surface, dull luster, blotches and unclear lines, it is an unripe melon. The second touch is to choose to feel smooth and round, feel astringent do not choose.

Three knock is to knock on the top, if there is a clear vibration in the hand, it means that the flesh of the melon is vibrating, the watermelon is already ripe. When knocking on the melon, there is a sense of lightness in the melon, knocking on the melon when the watermelon has a sound, we pick the melon to listen to the sound. Knocking on the melon with your fingers and hearing the "bang bang" sound is a ripe melon; hearing the "dang dang" sound is not ripe, and hearing the "poof poof" sound is overripe melon.

Baidu Encyclopedia - Watermelon