Koyadofu vs Soy Protein Isolate: How Do They Compare?

Koyadofu and soy protein isolate belong to the legumes and legume products food group, one of the staple food groups for people on a plant-based diet.

Legumes and most legume products are an affordable source of plant protein, dietary fiber, B vitamins, and minerals such as iron, calcium, potassium, and zinc, minerals that are usually harder to get on a plant-based diet.

This article will thoroughly compare koyadofu and soy protein isolate and help you learn more about their similarities and differences.

Koyadofu

Dried-frozen tofu, also known as koyadofu (Aphanotofu koyadofu), is a traditional Japanese food made from soybeans.

It is made by freezing tofu and then drying it, resulting in a chewy texture and a strong soybean flavor.

This type of tofu is often rehydrated and used in soups, stews, and hot pots, but it can also be eaten as a snack or used as an ingredient in various dishes.

Dried-frozen tofu is a rich source of protein, which is essential for building and repairing muscle tissue, and it also contains various vitamins and minerals, including calcium, iron, and potassium.

It is also low in calories and fat and cholesterol-free.

Additionally, it is a good source of isoflavones, which have been found to have anti-cancer properties and may also help to reduce the risk of heart disease.

Eating it regularly can help in maintaining overall health and well-being.

Koyadofu is an excellent source of Vitamin B1 (Thiamine).

It also contains a good amount of Vitamin A, Vitamin B2 (Riboflavin), Vitamin B6 (Pyroxidine), and Vitamin B9 (Folate) and some Vitamin B3 (Niacin), and Vitamin B5 (Pantothenic acid).

Soy Protein Isolate

Soy protein isolate is a highly purified form of protein derived from soybeans.

It is made by removing most of the fats and carbohydrates from soybeans, leaving mostly protein behind. It is a popular ingredient in many processed foods, such as protein bars and powders, as well as in meat and dairy alternatives.

Soy protein is also used as a binder and emulsifier in various foods.

Soy protein isolate is a good source of essential amino acids, which are the building blocks of protein. It is also low in fat and cholesterol-free, making it a heart-healthy option.

Additionally, it may help to lower cholesterol levels, improve bone health and support weight management. It can also be a good source of protein for vegetarians and vegans.

Soy Protein Isolate is an excellent source of Vitamin B9 (Folate).

It also contains a good amount of Vitamin B1 (Thiamine) and some Vitamin B2 (Riboflavin), Vitamin B3 (Niacin), and Vitamin B6 (Pyroxidine).

Koyadofu vs Soy Protein Isolate Nutrition

Now that we’ve described the origin, taste, and usage of these foods, we can move to the most interesting part – comparing koyadofu vs soy protein isolate.

This comparison will start by comparing the caloric value of koyadofu and soy protein isolate and their macronutrients and then go more in-depth by analyzing their vitamin and mineral content.

Koyadofu vs Soy Protein Isolate Calories

Most calories in raw legumes come from carbs. Peanuts are an exception here, but they are often considered a nut instead of a legume because of their nutritional profile.

Comparing soy protein isolate vs koyadofu for weight loss, soy protein isolate is slightly lower in calories, with 335 calories per 100 grams, compared to 477 calories per 100 grams of koyadofu.

However, both koyadofu and soy protein isolate can and should be a part of a healthy diet, and neither one shouldn’t be avoided if you’re looking to lose weight.

Koyadofu vs Soy Protein Isolate Protein

Legumes and most legume products, including koyadofu and soy protein isolate, are important sources of plant-based protein.

Soy Protein Isolate offers around 41% more protein than koyadofu.

Soy Protein Isolate has 88.3 grams of protein per 100 grams, while koyadofu has 52.5 grams of protein per 100 grams.

Koyadofu vs Soy Protein Isolate Carbs

Counting carbs can be important for some people for different reasons, including blood sugar control, weight management, or athletic performance.

It’s also important for people on a keto diet, so let’s compare the carbs content in koyadofu and soy protein isolate.

The total amount of carbohydrates is around 100% higher in koyadofu than in soy protein isolate. It have 10 grams per 100 grams, compared to 0 grams in soy protein isolate.

One handful of koyadofu and soy protein isolate (28 grams) contains 0 grams of sugar, the same amount.

Lastly, let’s take a look at the dietary fiber in koyadofu and soy protein isolate.

Dietary fiber keeps the digestive system healthy and helps with weight management by promoting a sense of fullness.

With 2 grams of fiber per portion, koyadofu is a better source of fiber than soy protein isolate which koyadofu offers 0 grams per portion.

Koyadofu vs Soy Protein Isolate Fats

Like most other legumes, with the exception of lupins and peanuts, koyadofu and soy protein isolate are low in fat.

Fats in koyadofu and soy protein isolate are mostly healthy unsaturated fats. They are naturally cholesterol-free and trans-fat-free.

Total fat in koyadofu and soy protein isolate:

• Koyadofu: 30.3 grams per 100 grams
• Soy Protein Isolate: 3.4 per 100 grams

Speaking of saturated fats, soy protein isolate is 91% lower in saturated fats.

Soy Protein Isolate and koyadofu contain 0.4 grams and 4.4 grams of saturated fat per 100 grams, respectively.

Koyadofu vs Soy Protein Isolate Vitamins Content

This section will discuss the vitamin content of koyadofu and soy protein isolate.

Vitamins are micronutrients, meaning we need only a small amount. However, they are very important for many processes in our bodies.

Koyadofu has a higher amount of vitamin B3 (Niacin), and vitamin B9 (Folate).

However, soy protein isolate has a higher amount of vitamin A, vitamin C, vitamin B1 (Thiamine), vitamin B2 (Riboflavin), vitamin B5 (Pantothenic acid), and vitamin B6 (Pyroxidine).

Koyadofu and soy protein isolate contain the same amount of vitamin D, vitamin B12 (Cobalamin), vitamin E, and vitamin K.

The following table shows the exact amount of vitamins koyadofu and soy protein isolate contain side by side, so you can easily compare them.

Koyadofu vs Soy Protein Isolate Minerals Content

Minerals are important for our body to function properly. We need only a small amount of minerals, so they are called micronutrients.

Some minerals, like iron, calcium, zinc or, iodine, are relatively hard to get on a plant-based diet, so it’s important to choose your foods thoughtfully. This part of the koyadofu and soy protein isolate comparison focuses on their mineral content.

Koyadofu is a better source of copper, iron, phosphorus, potassium, and sodium than soy protein isolate.

On the other hand, soy protein isolate is a higher amount of calcium, magnesium, manganese, selenium, and zinc.

Koyadofu and soy protein isolate contain the same amount of fluoride.

Check out the table below to learn how koyadofu and soy protein isolate compare when it comes to mineral content.

The Final Word

Koyadofu and soy protein isolate are highly nutritious and a great addition to a plant-based diet.

Both koyadofu and soy protein isolate are high in specific vitamins and minerals, and including them in your diet will give you the most benefits they offer.

Antioxidants found in beans and legumes can help to protect cells from damage and may reduce the risk of certain diseases and the effects of aging.

Additionally, the fiber and other nutrients in these foods can support the health of the digestive system and may even help to prevent certain digestive cancers.

Legumes are versatile food that can be incorporated into any meal of the day, including breakfast, lunch, or dinner. They can be served hot or cold, making them a convenient and tasty addition to a variety of dishes.