1, Watermelon: Originated in the warm zone, its pulp contains many nutrients such as glucose, fructose, carotene, arginine and vitamin A, and its potassium content is very small, so it is known as the king of summer.

2. Lotus root starch: it is a snack with red lotus root starch, pure lotus root starch and rock sugar lotus root starch.

3, eggs: eggs are also called eggs, chickens, eggs laid by hens. There is a hard shell outside, and there is an air chamber, egg white and egg yolk inside. Rich in cholesterol and nutrition. An egg weighs about 50g and contains 7-8g of protein and 5-6g of fat. The amino acid ratio of egg protein is very suitable for human physiological needs, easy to be absorbed by human body, with a utilization rate of over 98% and high nutritional value, and it is one of the foods that human beings often eat. It contains a high content of protein.

4. Pig blood: Pig blood, also known as liquid meat, blood tofu and blood flower, is rich in nutrients such as vitamin B2, vitamin C, protein, iron, phosphorus, calcium and nicotinic acid.

5. Pumpkin: an annual creeping herb of Cucurbitaceae, rooted in common nodes, with stout petioles, wide oval or oval leaves, slightly soft texture, bulging veins, slightly stout tendrils, monoecious pedicels, thick edges and furrows, which vary from variety to variety. There are often several longitudinal grooves or no longitudinal grooves outside, and most seeds are oval or oblong. Originally from Mexico to Central America, it is widely cultivated all over the world. Introduced to China in Ming Dynasty, it is now widely planted in north and south.