1, "When choosing corn, it is best to choose seven or eight ripe ones, which are too tender and have too much water; Too old, starch increases and protein decreases. "
2, the leaves are light green and soft to pinch. Just pinch the spilled white pulp with your hand a little, and it is fresh and tender corn.
3. If the leaves look yellow, the particles are a little dry and feel hard, which belongs to old corn.
4, the same batch of corn, the bigger the grain, the older the corn.
5. In addition, the bald corn tip is a sign of insufficient nutrition.