Protein is the material basis of human life activities. Broad beans are a crop with a high protein content among legumes, with a protein content range of 21-42g in 100g of broad beans. However, the amino acid composition of broad bean protein is close to the ideal ratio required by humans and animals, and contains 8 essential amino acids required by the human body. Broad beans have high levels of lysine and leucine, and their limiting amino acids are sulfur-containing amino acids. Broad bean protein is a high-quality plant protein....