Fecha de publicación: 24/11/2017 Fuente: Wipo Olive Table The invention relates to low-sugar nutritious cake made of litchi chinensis bacteria and potatoes and a method for preparing the low-sugar nutritious cake. The low-sugar nutritious cake comprises litchi chinensis bacterium ferment powder, whole potato powder, wheat flour, eggs, maltitol, honey, xanthan gum, olive oil, baking powder and table salt. Liquid fermentation is carried out on the litchi chinensis bacteria, vacuum freeze drying and high-pressure airflow smashing are carried out on fermentation products to obtain the litchi chinensis bacterium ferment powder, and cleaning, slicing, color protection, drying, smashing and sieving are carried out on potato materials to obtain the whole potato powder. The low-sugar nutritious cake and the method have the advantages that the litchi chinensis bacterium ferment powder and the whole potato powder are added into cake, white granulated sugar in the traditional cake recipes is replaced by the maltitol, and accordingly the low-sugar nutritious cake prepared by the aid of the method contains abundant nutrient substances such as amino acid, vitamins and mineral elements; the content of saturated fatty acid can be obviously lowered, accordingly, the low-sugar nutritious cake is light, nutritious, safe and wholesome and is suitable to be eaten by extensive consumers such as diabetes patients and obesity patients, and health can be protected by the low-sugar nutritious cake.