Extended data:
Protein widely exists in animal food and plant food, which can be divided into animal protein and plant protein. High-quality animal protein is mainly lean meat, eggs, milk and fish. Soybean, peanut and sesame are the main vegetable high-quality proteins.
It is found that the complementary effect of animal protein or plant protein is better than that of animal protein or plant protein alone. Therefore, attention should be paid to the collocation of meat and vegetable in the process of food preparation.
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