2. Fresh chicken head rice can only be stored for 3-4 hours at room temperature at most. This is because there is a lot of water after Euryale ferox is opened. When it is left at room temperature, it will evaporate water, which will lead to discoloration and stink. So the best way is to put the unused fresh Euryales into the refrigerator for freezing.

3. Chicken's head rice is a kind of angiosperm of Nymphaeaceae, namely fresh Euryale ferox, also known as chicken's head, commonly known as chicken's head. Chicken head rice is a specialty of Suzhou Nantang, which is listed around the Mid-Autumn Festival every year. In Suzhou, it has the reputation of "Nantang chicken head, Datang lotus root". There are many ways for Suzhou folk to eat chicken head rice, and the most popular one is chicken head rice soup. The preparation method is very simple. After the water in the pot is boiled, put the fresh chicken head rice into the pot, thicken it with lotus root starch after boiling, and add a little osmanthus into the bowl after taking out the pot.