There is a lot of dietary fiber in the small green core, which can promote intestinal peristalsis and remove the garbage accumulated in intestinal folds for many years. After the intestines are unobstructed, the waist circumference will become smaller. There are also white kidney beans in the small green core, which mainly prevent starch absorption.

People in China eat more starchy foods, such as rice, noodles and steamed buns. If they eat too much, they will get fat. Small green core can block about 40% starch, so it is helpful to lose weight.