The main ingredient of water chestnut cake is rice flour. Put the rice flour into a wooden mold in a shape of water chestnut, wrap with brown sugar powder, water chestnut flour or sesame powder, steam it at high temperature, take it out and eat it. It is easy to make and tastes sweet and delicious. Generally, you can buy it from peddlers in the streets and alleys of the county.
Efficacy: water chestnut, also known as chufa, is rich in vitamin B and C, plant protein and phospholipid. It has the effect of clearing heat, removing dampness and detoxification. It is the corm of water chestnut, a root plant of Cyperus, which mainly grows in the south. In addition, it contains a lot of starch, together with oligosaccharides and monosaccharides, accounting for more than 86% of the dry weight. Specifically, the proportions of starch, protein, fat and ash contained are 18.8%, 2.3%, 0.2% and 1.6% respectively. It also contains various vitamins such as vitamin A, B1, B2 and C, and minerals such as calcium, phosphorus and iron. In addition, it has a kind of thermolabile antibacterial component - puchiin, which can inhibit staphylococcus aureus, escherichia coli, and pseudomonas aeruginosa.