Carrots: buy smooth ones, big ones and small ones, and mud ones. The mud should be wet. Use mud, but the mud is dry and stored in the cellar. In the season when there is no new product on the market, you can only buy it in the cellar. Of course, when they are listed in large quantities, you should see green leaves and roots. The redder the carrot, the better. Pay attention again, there is nothing better.
cabbage
Look at the appearance by yourself, it is fresh and beautiful, and the quality of yellow and white is worse. Squeeze, it's very important, not too heavy. Everything that is too heavy is just picked, and the freshness is fine, but the water content is too high, which makes it awkward to cook. Proper dehydration can get delicious cabbage.
Tomato: Don't buy anything that looks clear. How good is the circle in the picture above? Different varieties, not necessarily the redder the better. Sometimes green tomatoes have a fresh tomato flavor, which is more delicious than those pure red tomatoes. The details of bones and muscles, like this, are flat and have no juice. There are problems in the process of growth, either hypertrophy and larger surface, but the heart is still not long.
Cucumber: the top flower with leaves is basically the medicine on the last flower. Our choice method is generally very confident in our own cucumbers. Cut a cucumber, cut it vertically from the middle, and look at the pulp. Generally, people who sell cucumbers say that they have green hearts and well water cucumbers. He can cut and sell, and the quality is more guaranteed.
Lotus root: When we buy lotus root again, we often encounter a kind of lotus root whose surface is white and looks clean, another kind of lotus root whose surface is yellow and not very clean, and some lotus roots have some dirt on them, which is normal lotus roots. If we see a lotus root, its surface is white and clean, and it may be chemically treated.