Lotus root is the mature rhizome of plants in the subclass of Magnolia, the order of the mountain lobelia, sweet and cold, which contains a large number of proteins, vitamins, cellulose, and a variety of mineral components, to determine whether it is bad, you can judge from the color, generally good lotus root is yellowish-white, but also red, if the lotus root is darker in color and accompanied by a large number of black-brown patches on the top, it is most likely to be It's not a good idea.

In general, although the good lotus root skin is relatively rough, but the texture is relatively hard, no other impurities; if the lotus root skin becomes soft, and has a viscous, then this lotus root is most likely to have been deteriorated bad, this time it is not recommended to eat, to avoid the impact on the human intestines.

Good quality lotus root directly smells not much flavor, but has the fragrance of lotus root smell, if the lotus root is relatively fresh, then there will be some earthy smell; if the lotus root out of the stink or sour smell, then this lotus root has been developed deterioration, is not recommended to select.

Usually, a good lotus root tastes sweet, crisp, not too soft after frying; if the lotus root tastes bitter, sour or moldy, then this lotus root is not good lotus root, it is best not to consume, otherwise it may cause harm to the human body and stomach.