The calorie content of watermelon is 30 calories per 100 grams. Watermelon is sweet and juicy, clearing heat and relieving summer heat, and is known as the king of summer. There are many kinds of watermelon, including Ningxia stone watermelon, new red treasure watermelon, black beauty watermelon, unicorn watermelon, flower skin seedless watermelon and so on. When choosing a watermelon, you can look at the watermelon vine, watermelon vine head thick green for the best, because the more green the melon tip, the fresher the melon; in addition, the melon vine is curved watermelon is also sweeter than the melon vine is straight watermelon. The greener the tip of the melon, the fresher the watermelon, the wilting of the tip of the melon, it is likely that the early picking of the melon or a dead vine melon.

When picking a watermelon, you will find that some watermelons will have yellow color, especially at the bottom part of the watermelon. The yellow part is due to the lack of sun, general varieties of watermelon green best, the less yellow part of the better, pick when you try to choose the yellow part of the watermelon less. Good watermelon skin lines thick and clear, depth is clear, glossy and bright, and lines neat watermelon than lines messy delicious. Watermelons with messy patterns are usually not ripe enough and have more tendons inside the melon.

Finally, to weigh, two varieties of the same, the same size of the watermelon, to support the lighter melon is a high degree of maturity of the melon, because with the growth of watermelon, there is a significant portion of the water evaporation, thus accumulating more sugar, so the mature watermelon will be slightly lighter than the immature.