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Oat bran vs Black Beans: Which Is Healthier?

This article explains the key similarities and differences between oat bran and black beans, foods from the grains and legumes food groups. Read on to learn more about the oat bran vs black beans comparison.
Michael Whaley, Health Writer

Written by Michael Whaley, Health Writer. Updated on February 6, 2023.

Although oat bran and black beans belong to different food groups, while oat bran belong is a grain, and black beans belong to legumes food group, and it’s not that common to compare foods from different groups, people are often interested in these comparisons as well.

That’s why we decided to create an in-depth article that compares oat bran and black beans, their nutritional values, similarities, differences, macronutrients, and micronutrients – vitamins and minerals.

Generally speaking, foods from grains and legume food groups are both high in carbs and protein and valuable addition to a plant-based diet.

Now, let’s see how oat bran and black beans compare specifically.

Oat bran

Oat bran, a by-product of oat milling, is derived from the outer layer of the oat grain (Avena sativa).

It is a good source of dietary fibers, especially beta-glucan, vitamins, minerals, and antioxidant compounds that help to lower cholesterol, aid in digestion, and improve heart health.

Oat bran also contains a significant amount of minerals like iron, zinc, magnesium, and manganese, as well as B-vitamins like niacin, thiamin, and vitamins E and K.

It is often used as an ingredient in breakfast cereals, granolas, breads, and other baked goods, and also can be used as a thickener for soups, stews, and sauces.

Oat bran is an excellent source of Vitamin B1 (Thiamine), and Vitamin B5 (Pantothenic acid).

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

Black Beans

Black beans (Phaseolus vulgaris) are a type of legume that are native to Central and South America.

They are a popular ingredient in many vegan and vegetarian dishes due to their high protein and fiber content and rich, nutty flavor.

Black beans are also a good source of antioxidants. They have been shown to have a number of potential health benefits, including reducing the risk of certain types of cancer and helping to lower cholesterol levels.

They are easy to incorporate into a wide range of recipes and can be enjoyed in dishes such as black bean soup, burritos, and salads.

Black Beans are an excellent source of Vitamin B1 (Thiamine), and Vitamin B9 (Folate).

They also contain a good amount of Vitamin B2 (Riboflavin), Vitamin B3 (Niacin), Vitamin B5 (Pantothenic acid), and Vitamin B6 (Pyroxidine) and some Vitamin K.

Oat bran vs Black Beans Nutrition

Now that we’ve described the origin, taste, and usage of these foods, we can move to the most interesting part – comparing oat bran vs black beans.

This comparison will start by comparing the caloric value of oat bran and black beans and their macronutrients and then go more in-depth by analyzing their vitamin and mineral content.

Oat branBlack Beans
Energy246 kcal341 kcal
Carbs66.2 g62.4 g
Sugar1.45 g2.12 g
Fiber15.4 g15.5 g
Protein17.3 g21.6 g
Fat7.03 g1.42 g
Saturated Fat1.33 g0.366 g

Oat bran vs Black Beans Calories

Most calories in raw grains and 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 oat bran vs black beans for weight loss, oat bran is slightly lower in calories, with 246 calories per 100 grams, compared to 341 calories per 100 grams of black beans.

However, both oat bran and black beans can and should be a part of a healthy diet, and neither one shouldn’t be avoided if you’re looking to lose weight.

Oat bran vs Black Beans Protein

Legumes and most legume products, including oat bran and black beans, are important sources of plant-based protein.

Black Beans offer around 20% more protein than oat bran.

Black Beans have 21.6 grams of protein per 100 grams, while oat bran has 17.3 grams of protein per 100 grams.

Oat bran vs Black Beans 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 oat bran and black beans.

The total amount of carbohydrates is around 6% higher in oat bran than in black beans. It have 66.2 grams per 100 grams, compared to 62.4 grams in black beans.

There’s less sugar in oat bran than in black beans, 33% precisely.

One handful of oat bran (28 grams) contains 0.4 grams of sugar, while the same amount of black beans contains 0.6 grams.

Lastly, let’s take a look at the dietary fiber in oat bran and black beans.

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

Oat bran and black beans contain the same amount of fiber, 4.3 grams per portion.

Oat bran vs Black Beans Fats

Like most other grains and legumes, with the exception of lupins and peanuts, oat bran and black beans are low in fat.

Fats in oat bran and black beans are mostly healthy unsaturated fats. They are naturally cholesterol-free and trans-fat-free.

Total fat in oat bran and black beans:

  • Oat bran: 7 grams per 100 grams
  • Black Beans: 1.4 per 100 grams

Speaking of saturated fats, black beans are 69% lower in saturated fats.

Black Beans and oat bran contain 0.4 grams and 1.3 grams of saturated fat per 100 grams, respectively.

Oat bran vs Black Beans Vitamins Content

This section will discuss the vitamin content of oat bran and black beans.

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

Oat bran has a higher amount of vitamin A, vitamin B3 (Niacin), vitamin B6 (Pyroxidine), vitamin B9 (Folate), and vitamin K.

However, black beans have a higher amount of vitamin B1 (Thiamine), vitamin B2 (Riboflavin), vitamin B5 (Pantothenic acid), and vitamin E.

Oat bran and black beans contain the same amount of vitamin C, vitamin D, and vitamin B12 (Cobalamin).

The following table shows the exact amount of vitamins oat bran and black beans contain side by side, so you can easily compare them.

Oat branBlack Beans
Vitamin A017 IU
Vitamin C00
Vitamin D00
Vitamin B1 (Thiamine)1.17 mg0.9 mg
Vitamin B2 (Riboflavin)0.22 mg0.193 mg
Vitamin B3 (Niacin)0.934 mg1.96 mg
Vitamin B5 (Pantothenic acid)1.49 mg0.899 mg
Vitamin B6 (Pyroxidine)0.165 mg0.286 mg
Vitamin B9 (Folate)52 µg444 µg
Vitamin B12 (Cobalamin)00
Vitamin E1.01 mg0.21 mg
Vitamin K3.2 µg5.6 µg

Oat bran vs Black Beans 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 oat bran and black beans comparison focuses on their mineral content.

Oat bran is a better source of calcium, copper, potassium, sodium, and zinc than black beans.

On the other hand, black beans are a higher amount of iron, magnesium, manganese, phosphorus, and selenium.

Oat bran and black beans contain the same amount of fluoride.

Check out the table below to learn how oat bran and black beans compare when it comes to mineral content.

Oat branBlack Beans
Calcium58 mg123 mg
Copper0.403 mg0.841 mg
Fluoride00
Iron5.41 mg5.02 mg
Magnesium235 mg171 mg
Manganese5.63 mg1.06 mg
Phosphorus734 mg352 mg
Potassium566 mg1480 mg
Selenium45.2 µg3.2 µg
Sodium4 mg5 mg
Zinc3.11 mg3.65 mg

The Final Word

Oat bran and black beans are highly nutritious and a great addition to a plant-based diet.

Both oat bran and black beans are high in specific vitamins and minerals, and including them in your diet will give you the most benefits they offer.

Antioxidants found in grains 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 and grains are a 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.

Sources

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