Do you really understand Isolated soy protein?

Whether it’s a “big jar” protein powder for building muscle, or a “little piece” of protein powder for boosting immunity. In the past, whenever protein powder was mentioned, people often thought of animal-derived protein first, followed by plant-based proteins such as soy protein. Some people even arbitrarily believe that protein from plant sources cannot compete with protein from animal sources. However, the increasing number of protein powders using soy protein isolate as the main raw material on the market also illustrates an indisputable fact. Plant protein is attracting the attention of more and more protein powder manufacturers? In view of this, the editor has to ask, do you really understand soy protein isolate?

The “top student” in plant protein
To evaluate whether a protein is “high-quality”, it mainly depends on whether its “amino acid pattern” is good and whether its “amino acid score” is high. If the amino acid ratio in the food is close to the amino acid composition ratio in the human body, it means that the amino acid pattern is good and the amino acid score is high, which means that it is highly utilized after entering the human body. In this regard, soy protein isolate is undoubtedly the “top student” among plant proteins.
PDCAAS (Protein Digestibility Corrected Amino Acids Score), which is the protein digestibility corrected amino acid score, is a protein quality assessment method proposed by the joint expert assessment team of the Food and Agriculture Organization of the United Nations and the World Health Organization. Based on the essential amino acid requirements of children aged 2 to 5 years old, the available essential amino acid content in food is compared with this. The perfect score is 1, which is 100%. A score of 1 indicates that the protein is a high-quality protein. According to this scoring benchmark, soy protein isolate has a PDCAAS of 1 and beef has a PDCAAS of 0.92.
It doesn’t matter if you are confused by this long list of explanations. Simply put, if the full score of high-quality protein is 100 points, then soy protein isolate gets full points and beef gets 92 points. In fact, soy protein isolate has a protein content of up to 90% and is rich in 8 essential amino acids. You know, soy protein is the only high-quality protein among plant proteins. Therefore, it is not an exaggeration to say that soy protein is the “top student” among plant proteins.

New choice with high quality and low price
In the past, whey protein has always occupied a “dominant” position as the main raw material of protein powder. However, as people’s understanding of the nutritional value of soy protein isolate gradually deepens, protein powders using soy protein isolate as the main raw material have gradually attracted attention. High nutritional value is one aspect for which it is recognized. On the other hand, better economy and higher safety also make it a new hot spot in the field of protein powder application.

Compared with protein from animal sources, another significant advantage of soy protein isolate is low fat and zero cholesterol, which makes it more suitable for the elderly and specific consumer groups with the above-mentioned health concerns. For vegetarians, protein powder with soy protein isolate as the main raw material is undoubtedly the best choice. In addition, the digestion and absorption rate of soy protein isolate is as high as 90%, which makes it especially suitable for people with frail health, such as those recovering from surgery, the elderly, and infants.

It is worth mentioning that in recent years, there has been a trend of constantly introducing new products using soy protein isolate as the base material to replace whey powder as infant formula powder. In addition to its rich nutrition, lactose-free and hypoallergenic properties are also important reasons why it is favored by manufacturers.

Because soy protein isolate does not contain lactose, it is safe for infants with galactosemia or lactase deficiency; lactose-free formulas can also help infants recover from diarrhea caused by transient lactase deficiency. Regarding allergenicity, relevant foreign researchers have compared healthy infants fed breast milk, cow’s milk formula or soy protein-based formula. The results found that 0.5% of infants fed soy protein-based formula developed allergic reactions, while those fed cow’s milk Basic formula milk powder accounted for 1.8%.

How about it, do you now have a more comprehensive understanding of soy protein isolate? As the saying goes, “Each eye catches the eye, why ask anyone else?” The only way to win is to choose the right protein according to your own product needs. Rational use of proteins from different sources to produce differentiated products for segmented groups will become the development trend of protein products in the future.