Winter is the season when citrus fruits go on the market, and oranges are a great example of juicy juices in this big family. Citrus fruits are also potassium, manganese content of the leader. When the body lack of potassium will feel tired and weak, physical decline, etc., while the orange contains potassium can be a good supplement for the human body. When choosing oranges, we want each orange we buy to have a higher sweetness. But sometimes there are some tangled, after all, do not taste it is difficult to understand whether oranges placed in front of their own sweetness. Many elderly people have their own experience in buying oranges. "The big navel is the mother orange, which tastes even sweetier." Does this claim fly?
The fruits and seeds produced by plants during their growth are their female functions, and the male plants are difficult to bear fruit. Therefore, the gender of the fruit is not divided between male and female, but female or bisexual. Oranges, navel areas tend to have the orange-like structure, which is because the fruit in the development process of swelling bulge umbilical orange peel, the top of the fruit left a similar human navel scar. This scar is not immutable, is a continuous change within a certain range. If it is the navel to determine the orange is not that tricky
If you want to pick a good orange, first of all to see if the orange is full, the color is fresh; you can also put two oranges on the left and right hands, respectively, about the weight, heavy weight of oranges adequate moisture content, taste better.