The corn kernels are black at the bottom and can't be eaten any more. The reason why the bottom of corn grains is black may be caused by deterioration and mildew. It is easy to cause discomfort if you continue to eat this kind of corn kernels.

In addition, the black substance at the bottom of corn kernels may also be a part of mature corn germ tissue. When corn is ripe, there is usually this black substance between each corn grain, which is a symbol of corn maturity.

Matters needing attention in eating corn

When eating corn, you should eat all the embryo tips of corn kernels. This is mainly because many nutrients of corn are concentrated here. The endosperm of tender corn kernels contains 85% unsaturated fatty acids and is rich in vitamin E.

Moldy corn is inedible. Moldy and deteriorated corn will produce toxic substances-aflatoxin. Aflatoxin is a series of carcinogens produced by mold metabolism, which mainly damages human and animal liver tissues, and even leads to liver cancer and even death in severe cases. In addition, moldy corn will also reduce immunity, so moldy corn must not be eaten.

Refer to Baidu Encyclopedia-Corn kernels, People.com-Who shouldn't eat corn? Matters needing attention in eating corn