Extended data:
Humans can obtain protein resources by raising poultry and livestock, and can also collect insects or raise insects to meet the demand for protein. Insects are widely distributed, reproduce quickly, have reasonable nutritional structure, strong adaptability and many kinds. Edible insects refer to insects that can be eaten by people. Insects are not only rich in organic matter, such as protein, fat, carbohydrates, salts and other inorganic substances, but also rich in potassium, sodium, phosphorus, iron, calcium and free amino acids needed by human body. Insects have always been regarded as high-class delicacies. Edible insects are expected to become one of the important food sources. Before BC, humans used insects as food. At present, about 3,600 species of insects are recognized as edible all over the world. In order to balance the ecology and ensure the quality and hygiene, it is suggested to eat artificially raised insects.
Insects combine the advantages of animal and plant foods, and the content of protein is higher than that of meat and eggs. Most of the fat contained is soft fat and unsaturated fatty acid; Rich trace elements, especially essential amino acids, are easily absorbed by the human body. Edible insects can not only supplement nutrition, but also have medical and health care functions.