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Polycystic kidney disease (PKD) is a group of disorders that result from the formation and progressive enlargement of cysts in the kidneys without dysplasia, usually leading to renal failure.

Can Kidney Patients Eat Bean Products

2019-01-23 17:44

Can Kidney Patients Eat Bean ProductsCan kidney patients eat bean products? Some may say yes, while some may say no.

The reason why kidney patients can not eat bean products is that soyabean protein belongs to plant protein, and plant protein is not high quality protein, which can put extra stress on kidneys. In fact, this reason does not hold water.

What is high quality protein?

Many people think that animal protein is high quality protein, while plant protein is not. This is experience, but not truth. Experience is right most of the time, but not all of it.

So let's look at what is a high quality protein.

Proteins are made up of amino acids. There are 20 kinds of amino acids in living things. There are eight of these amino acids, called essential amino acids, that the body cannot make on its own and can only get from food (nine if you include histidine, which babies cannot make). High quality protein is characterized by a balanced ratio of essential amino acids.

Soy protein is a kind of high quality protein.

Soybean includes soya bean, green bean, black bean, but does not include red bean, and mung bean.

The content of essential amino acids in soybean protein is high, and the proportion is close to that of human body (only methionine is less). Although soybean protein is a plant protein, it is different from the common plant protein. After entering the human body, the raw metabolic waste is less, and there is no need to worry about increasing the burden of the kidney.

The misunderstanding that kidney patients can't eat soy products has a long history.

Before the 1970s, people believed that soybean protein, as a plant protein, was not high quality protein, which was a mistake all over the world. At that time, the dietary guidelines of the United States also regarded soybean as low quality protein.

After the 1970s, the inspection was improved, and it was found that the amino acid composition and proportion of soybean protein were highly similar to human body, with good absorption and few metabolic wastes. Human trials have also shown that replacing red meat protein with soy protein can reduce the incidence of kidney disease and cardiovascular diseases and improve survival rate.

However, there is not much emphasis on this aspect in the textbooks. There is another sentence in the fifth edition of Internal Medicine: eat as little as possible materials rich in plant protein, such as peanuts, soybeans and their products. Many doctors believe that kidney disease patients can not eat soybeans from this point of view.

But the fifth edition of Internal Medicine was written 20 years ago, and the subsequent version has eliminated the "discrimination" on soybean. We should view soybean with the perspective of development and progress. Many doctors do not do this aspect of learning and science, so this misunderstanding has been in some basic hospitals and the folk continued for decades, until now.

In recent years, the authoritative research literature all supports the consumption of soybean products in patients with kidney disease.

In November 2017, the New England Journal of Medicine, the world's no. 1 general medicine journal, systematically reviewed the latest advances in CKD nutrition, stating that red and processed meats increase the risk of CKD and that a diet rich in beans helps reduce the risk of CKD and its progression.

The American Journal of Kidney Disease, a leading journal in the field of kidney disease, also reports that soy protein is a good substitute for animal protein, and consumption of soy is associated with decreased serum creatinine and urinary protein levels.

The latest Dietary Guidelines for Chinese Residents also say that vegetables, fruits, milk, soy and their products should be eaten every day.

In recent years, an increasing number of nephrologists have recognized soy and its products and encouraged kidney patients to substitute soy for red meat as a source of high-quality protein.

Kidney disease patients are encouraged to replace red meat with soy because it has two advantages:

1. Soybean isoflavones have protective effect on kidney;

2. Soybean is not rich in fat, and it is mainly unsaturated fatty acid, which can improve the disorder of blood lipid in patients with kidney disease.

Therefore, kidney patients who like eating soybean products can eat some every day, which is very beneficial.

Conclusion

Kidney patients can eat almost all foods that normal people eat, but pay attention to the amount. And the restricted food for kidney patients are mainly unhealthy foods. Even healthy people had better limit them.

Now you know that eating bean products are good for kidney patients. If you still have any questions on your diet and treatment, please leave a message below or contact online doctor.

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