Comparison of vegetable protein and animal protein from the perspective of nutrition

 Many food and health products will emphasize that they are plant/animal protein/fat, suggesting that they are healthier or better absorbed. But after protein digestion, are not all amino acids and fats are all fatty acids? In terms of nutrition, what is the significance of this distinction?

In fact, the most critical point to answer this question is that amino acids are different from fatty acids. There are 20 types of amino acids, of which 9 are not synthesized by the human body and must be ingested through food. But the pros and cons of protein are indeed quite knowledgeable, let’s talk about it in detail below. 


1. Before comparing plant protein and animal protein, take a look at what foods are rich in protein.

Among the common foods, protein foods can be divided into animal protein and plant protein:

Animal protein: meat (beef, mutton, pork, chicken), fish, eggs and dairy products

Plant protein: staple foods such as soybeans, tofu, other beans, rice and wheat also contain a small amount of protein.

These protein-rich foods are very different in other nutrients. For example, meat has higher fat content, while dairy products are rich in calcium, and beans are rich in dietary fiber. Therefore, from the perspective of a balanced diet, take a variety of foods. Protein in food is very important, but protein itself has its advantages and disadvantages.

2. How to compare the quality of protein?

There are two main factors to compare the quality of protein: the amino acid composition (including content and type) and the digestibility of the protein.

⑴ Amino acid composition

Amino acid content, protein energy/total energy ratio: The energy provided by different food proteins is different. Generally speaking, animal protein has a higher protein/energy ratio than plant protein.

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