Protein is the main ingredient of meat and eggs. Protein is broken down into amino acids. Amino acids are nutrients of human body. Moreover, some amino acids are necessary for the human body, but they cannot be synthesized in their own bodies and can only be taken from food. However, the development of animal husbandry and aquaculture cannot meet the global human demand for protein.
Modern biotechnology can produce single-cell protein, that is, using microorganisms (such as yeast and bacteria) to produce single-cell protein through fermentation. The content of protein in these microorganisms is as high as 40% ~ 80%, which is higher than that of protein in soybeans and peanuts. Single cell protein has short production cycle and high nutritional value, and can be produced on a large scale in factories.
Amino acids contained in single cell protein, such as leucine, lysine, isoleucine, methionine, etc., are all essential amino acids for human body. Therefore, the nutritional value of single cell protein is better than that of pork, fish and eggs. Therefore, it is entirely possible to produce artificial meat and eggs with single-cell protein and become dishes in residents' homes.
The technology of producing single cell protein is becoming more and more mature. Scientists estimate that only half of the natural gas spontaneously ignited in the Middle East every year can be used to produce single-cell protein, which can meet the demand of 654.38 billion people for protein.