According to the introduction of Popular Health Network, the middle nucleus of banana is the bud of banana tree, which is sweet, contains a variety of vitamins and minerals and can be eaten. You can't eat too much, because the banana core tastes sweet and contains a lot of sugar. Too much sugar accumulates in the body, which will lead to obesity if it can't be consumed in time. At the same time, too much sugar intake will also increase the risk of high blood sugar, so diabetics can't eat it.