First of all, grapes are very big. Generally, grapes that grow normally are not too big. If the grapes are very big, they must have been injected with enhancers. This kind of grape makes people look very appetizing and increases consumers' desire to buy. But the boss doesn't eat it himself, because they know in their hearts that eating this grape is unhealthy.
There is also a grape with no white fog on its surface. Because it grows naturally after sun exposure, wind and rain, the surface of mature grapes will be as white and foggy as a protective film. If the surface is shiny, this grape is usually ripened with ripeners, so that the grapes can ripen quickly. When they are ripe, they are picked and sold. Eating this grape is also unhealthy for your health.
Finally, there are many cracks on the surface of grapes. Don't think that grapes have too much flesh just because they are big, which is the reason for a large number of skin cracks on grapes. In fact, most of them are caused by swelling agents. It destroyed the natural growth of grapes, making it bigger than ordinary grapes, and because it was not well controlled, the pulp finally broke. Naturally growing grapes will not crack, and cracked grapes are likely to enter bacteria, which will cause gastrointestinal discomfort after eating.