
White and brown mushrooms are two varieties of the same mushroom species, Agaricus bisporus, which are generally available year-round. While white mushrooms are harvested when they are young and immature, brown mushrooms are simply more mature white mushrooms. White mushrooms are typically cheaper and have a more subtle taste, making them suitable for raw applications such as salads. On the other hand, brown mushrooms have a bolder flavour and are often used as a meat substitute in burgers. In terms of health benefits, both types of mushrooms are low-calorie sources of nutrients, including vitamin D after exposure to sunlight. However, brown mushrooms have higher levels of certain minerals and vitamins, including calcium, potassium, and folate.
| Characteristics | Values |
|---|---|
| Nutritional Similarities | Both white and brown mushrooms are rich in vitamins and minerals, and act as prebiotics. They are also low-calorie, fat-free, cholesterol-free, very low in sodium, and gluten-free. |
| Nutritional Differences | White mushrooms have more vitamin C and riboflavin per serving, while brown mushrooms have more selenium and B vitamins. |
| Other Differences | White mushrooms are commonly known as buttons, cups, and flats, while brown mushrooms are also referred to as Swiss brown or portobello mushrooms. |
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What You'll Learn

White mushrooms are the only mushrooms with substantial vitamin C
White mushrooms are a type of fungi that are low in calories but packed with nutrients. They are the most cultivated mushroom type in the world and are incredibly popular in the United States. They have a mild flavour and a smooth cap, and they can be enjoyed in a variety of ways, including fresh, frozen, canned, dried, or even powdered.
Like other mushrooms, white mushrooms contain protein, vitamins, minerals, and antioxidants. They are a natural, non-animal source of vitamin D2, which can increase blood levels of this vitamin as effectively as a supplement. Your body turns vitamin D2 into the active form of vitamin D, which is necessary for absorbing calcium and maintaining healthy bones. White mushrooms are also rich in glutathione and ergothioneine. Glutathione acts as an antioxidant and a detoxification agent, helping to eliminate foreign substances from the body. Ergothioneine, on the other hand, protects DNA from oxidative damage.
White mushrooms contain multiple antioxidant compounds, including polyphenols, polysaccharides, ergothioneine, glutathione, selenium, and vitamin C. These antioxidants are believed to contribute to the potential cancer-fighting properties of mushrooms. Vitamin C and selenium, in particular, offer anticancer properties by enhancing the immune system's production of protective cells, including natural killer cells, which help defend against cancer development. The main phenolic compounds in white mushrooms are flavonoids and phenolic acids, which have the potential to act as both antioxidants and pro-oxidants. As antioxidants, they improve cell survival, while as pro-oxidants, they induce cell death to prevent tumour growth.
While all mushrooms provide about the same nutrients per serving, regardless of their shape or size, white mushrooms stand out as the only mushrooms with substantial vitamin C content. Vitamin C is essential for maintaining cardiovascular health. A 2016 study concluded that individuals with a vitamin C deficiency had a higher risk of developing cardiovascular disease, suggesting that consuming vitamin C may be beneficial for heart health. White mushrooms, with their vitamin C content, can play a role in promoting cardiovascular wellness.
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Baby Bella mushrooms offer more B vitamins than white mushrooms
White button mushrooms and Baby Bella mushrooms are both varieties of Agaricus bisporus, but they are harvested at different stages of maturity. White button mushrooms are picked earlier, while Baby Bellas are left to mature a little longer. This difference in maturity gives them distinct characteristics, including variations in their nutritional profiles.
Baby Bella mushrooms are a good source of B vitamins, including riboflavin and pantothenic acid. They also contain copper, phosphorus, potassium, selenium, niacin, and ergothioneine. These vitamins and minerals contribute to maintaining healthy immune and cardiovascular systems, improving bone health, and potentially reducing the risk of chronic conditions.
White button mushrooms also contain B vitamins, but in smaller quantities compared to Baby Bella mushrooms. They share some of the same vitamins and minerals, such as riboflavin, pantothenic acid, copper, phosphorus, and potassium. However, Baby Bella mushrooms have a more concentrated amount of these nutrients due to their longer maturation period.
The distinct flavour and texture of Baby Bella mushrooms also set them apart from white button mushrooms. Baby Bellas have a firmer texture and a more robust, earthy flavour, making them a popular choice for adding depth to dishes. They are often used in recipes where their distinct taste can shine, such as sautéing, casseroles, or as a topping for steaks.
In summary, while both types of mushrooms offer a range of nutritional benefits, Baby Bella mushrooms stand out for their higher concentration of B vitamins and their unique culinary attributes. Their more mature flavour and texture make them a versatile ingredient that can enhance the taste and nutritional profile of various dishes.
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White mushrooms offer more riboflavin than Shiitake mushrooms
White mushrooms, also known as common, table, or cultivated mushrooms, are nutrient-dense. They are an excellent source of vitamin B2 (riboflavin), providing 30% of the daily value per 1-cup serving. They are also rich in vitamin B5 (pantothenic acid), providing 29% of the daily value per 1-cup serving.
Shiitake mushrooms, on the other hand, are brown-capped mushrooms used worldwide for food and as supplements. They are native to East Asia and have long been used in traditional Chinese medicine. They are also part of the medical traditions of Japan, Korea, and Eastern Russia. Shiitake mushrooms are low in calories and offer good amounts of fiber, B vitamins, and minerals.
While both types of mushrooms offer B vitamins, white mushrooms provide a higher percentage of the daily value of vitamin B2 (riboflavin) per 1-cup serving compared to shiitake mushrooms. Vitamin B2 is important for several functions in the body, including antibody production, energy production, growth and development, skin and hair health, and the metabolism of other nutrients.
In addition to their vitamin content, shiitake mushrooms are prized for their rich, savory taste and diverse health benefits. They contain polysaccharides, terpenoids, sterols, and lipids, some of which have immune-boosting, cholesterol-lowering, and potential anticancer effects. Shiitake mushrooms are also a good source of copper, selenium, and vitamin D.
Overall, while both white and shiitake mushrooms offer nutritional benefits, white mushrooms stand out for providing a higher percentage of the daily value of riboflavin, making them a slightly more attractive option for those seeking to increase their intake of this specific nutrient.
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Brown mushrooms have higher levels of selenium per serving
White and brown mushrooms are both nutrient-dense foods, offering a wide range of health benefits. While white mushrooms are the most protein-dense variety per calorie, brown mushrooms have higher levels of selenium per serving. Selenium is a trace mineral that acts as an antioxidant, helping to remove free radicals that are linked to cancer, heart problems, inflammation, premature ageing, and more.
White mushrooms offer an impressive 8 mcg of selenium per 3 ounces (85 g) serving, providing 15% of the daily value (DV) of this important nutrient. However, brown mushrooms truly shine in this regard, as they contain even higher levels of selenium. A 3-ounce serving of brown mushrooms provides an impressive 40% DV of selenium. This means that brown mushrooms offer significantly more selenium relative to the recommended daily intake.
The higher selenium content in brown mushrooms can be attributed to various factors, including growing conditions and maturity. Mushrooms that are exposed to UV light, for instance, tend to have higher levels of certain nutrients like vitamin D. Additionally, the maturity of the mushroom can impact its nutrient profile. For example, Baby Bella mushrooms, which are immature Portabella mushrooms, offer more B vitamins per serving than white mushrooms. As brown mushrooms can be considered more mature than white mushrooms, their higher selenium content may be partly due to this factor.
While brown mushrooms excel in selenium content, it is important to note that white mushrooms also have their own unique benefits. White mushrooms are the only variety with substantial vitamin C content, containing 2.5 times the required amount per calorie. Furthermore, white mushrooms offer more riboflavin per serving than Shiitake mushrooms. Both white and brown mushrooms are excellent sources of B vitamins, particularly B2, B3, and B5, which play crucial roles in energy production and brain health.
In conclusion, while both types of mushrooms offer a plethora of health benefits, brown mushrooms stand out for their exceptionally high selenium content. By incorporating these mushrooms into our diets, we can take advantage of selenium's powerful antioxidant properties and boost our overall nutritional intake.
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White and brown mushrooms are from the same species
White and brown mushrooms are indeed from the same species, Agaricus bisporus, and share many nutritional similarities. They are both nutrient-dense foods, providing a range of vitamins and minerals, while being low in calories, fat, cholesterol, and sodium.
White mushrooms, also known as buttons, cups, and flats, are the same mushrooms at different growth stages. When left to grow, Swiss brown mushrooms become portobello mushrooms. Portobellos are simply baby bella mushrooms that have matured and grown larger.
Both white and brown mushrooms contain significant levels of B vitamins, particularly B2, B3, and B5, which are essential for forming red blood cells and converting food into energy. They also contain selenium, an antioxidant that helps remove free radicals linked to cancer, heart problems, inflammation, and premature aging. White mushrooms are an excellent source of vitamin C, while brown mushrooms have higher levels of selenium per serving.
In addition to their nutritional content, white and brown mushrooms have medicinal properties due to their prebiotic and anti-inflammatory nature. They feed the good bacteria in the gut, helping to maintain a healthy digestive system and boost the immune system. The antioxidants present in mushrooms also protect the body from oxidative stress, reducing the risk of chronic diseases, including cancer.
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Frequently asked questions
Mushrooms are rich in vitamins and minerals, and act as prebiotics, feeding the good bacteria in your gut and helping to reduce inflammation. They are also a good source of antioxidants, which help combat oxidative stress and protect your body from chronic diseases, like cancer.
White and brown mushrooms are from the same species and have very similar nutritional profiles. However, white mushrooms are the only type with substantial vitamin C, while brown mushrooms have higher levels of selenium per serving.
White mushrooms are the most protein-dense mushrooms on a per-calorie basis. They also contain more riboflavin per serving than Shiitake mushrooms.

























