
Mushrooms are a type of fungus, often classified as vegetables, that have a rich nutritional profile. They are known for their delicate flavour and meaty texture, and are used in a variety of dishes. But what about their macronutrient content? Are mushrooms a source of carbohydrates or protein? In this discussion, we will delve into the nutritional characteristics of mushrooms and explore whether they lean more towards carbohydrates or protein in terms of their composition.
| Characteristics | Values |
|---|---|
| Carbohydrates or Protein | Mushrooms are a good source of protein, with 1-2 grams of protein per cup. They also contain an indigestible carbohydrate called chitin. |
| Calories | Mushrooms are low in calories, with one cup containing 15-21 calories. |
| Fat | Mushrooms have very little to no fat. |
| Cholesterol | Mushrooms contain no cholesterol. |
| Sodium | Mushrooms are low in sodium, but canned mushrooms can have higher sodium levels due to the brining process. |
| Vitamins | Mushrooms contain vitamins B2, B3, B5, B6, D, folate, and possibly others. They are one of the few foods that contain vitamin D, especially when exposed to light. |
| Minerals | Mushrooms are a good source of selenium, potassium, copper, phosphorus, iron, zinc, and possibly others. |
| Antioxidants | Mushrooms are rich in antioxidants, including ergothioneine, glutathione, and selenium, which have anti-inflammatory properties. |
| Health Benefits | Mushrooms have been linked to potential health benefits such as reducing inflammation, improving immune function, and possibly reducing the risk of Alzheimer's, heart disease, cancer, and diabetes. |
| Culinary Uses | Mushrooms can be cooked in various ways, including grilling, baking, broiling, sautéing, and roasting. They are commonly used as a meat substitute or flavour enhancer in dishes. |
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What You'll Learn

Mushrooms are a good source of protein
Although mushrooms are classified as vegetables, they are technically a type of fungus. They are a low-calorie food with a nutritional punch. Mushrooms are a good source of protein and contain around 2 grams of protein per cup. They are also a good source of vitamins and minerals, including vitamin B, potassium, copper, phosphorus, and iron.
Mushrooms have a meaty texture and a savory, umami flavor, which makes them a popular meat substitute in vegetarian and vegan diets. They can be cooked in a variety of ways, including grilling, baking, broiling, sautéing, and roasting, and can be added to sauces, stews, soups, and grain, potato, or egg dishes.
In addition to their protein content, mushrooms are also a good source of antioxidants, which can help to fight oxidative stress and inflammation in the body. They have been found to have high levels of the antioxidants glutathione and ergothioneine, which are not commonly found in plant foods. Consuming mushrooms may also help to slow cognitive decline and reduce the risk of developing serious health conditions such as Alzheimer's, heart disease, cancer, and diabetes.
Mushrooms are a versatile and nutritious food that can be incorporated into a variety of dishes to increase the protein and nutrient content. They are a healthy and tasty addition to any meal.
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Carbohydrates in mushrooms
Mushrooms are a type of fungus, often classified as vegetables, and are known for their delicate flavour and meaty texture. They are a nutrient-dense food, packed with vitamins, minerals, and antioxidants.
Mushrooms are a good source of protein, with one cup of raw mushrooms providing 1 to 2 grams of protein. They are also a source of B vitamins, including riboflavin, niacin, pantothenic acid (vitamin B5), and vitamin B6. Mushrooms contain copper, potassium, phosphorus, iron, and selenium.
In terms of carbohydrates, mushrooms are considered to be low-carb, making them keto-friendly. One cup of raw mushrooms contains around 2 to 3 grams of carbohydrates. Common varieties such as white button, shiitake, oyster, and portobello mushrooms are all low in carbohydrates in their natural form.
Mushrooms are versatile and can be cooked in a variety of ways, including grilling, baking, roasting, and sautéing. They are often used as a meat substitute in vegetarian and vegan dishes.
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Health benefits of mushrooms
Mushrooms are a nutrient-dense, low-calorie food packed with vitamins, minerals, antioxidants, and fibre. They are also a source of protein, with one cup of mushrooms providing 1 to 2 grams.
Mushrooms are the only type of produce that is a source of vitamin D, which is important for bone and immune health. Mushrooms exposed to ultraviolet light or sunlight can increase their vitamin D content. White button, portabella, and cremini mushrooms provide the most vitamin D after exposure to UV light or sunlight.
Mushrooms are also a good source of selenium, which helps the body make antioxidant enzymes to prevent cell damage, and vitamin B6, which helps the body form red blood cells, proteins, and DNA. Shiitake mushrooms are an excellent source of vitamin B6, while cremini mushrooms are a good source of zinc, another important nutrient for the immune system and optimal growth in infants and children.
The polysaccharides in mushrooms stimulate the growth of healthy bacteria in the gut and suppress harmful bacteria. They also contain micronutrients such as copper, potassium, phosphorus, and iron, which assist in energy production, maintain fluid and electrolyte balance, and are needed to synthesize hemoglobin, DNA, amino acids, neurotransmitters, and certain hormones.
Research suggests that mushrooms may help to reduce the risk of developing serious health conditions such as Alzheimer's, heart disease, cancer, and diabetes. A review of 17 cancer studies found that eating just 18 grams of mushrooms a day may lower the risk of cancer by up to 45%. In Japan, patients may even receive a reishi mushroom-based drug as part of cancer treatment. Mushrooms are also being studied for their potential to improve cognitive function and protect against neurodegenerative diseases such as Alzheimer's and Parkinson's.
Mushrooms are a versatile ingredient that can be cooked in a variety of ways, including grilling, baking, broiling, sautéing, and roasting. They can be used as a meat substitute in vegetarian or vegan dishes and are a good source of umami flavour.
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Mushrooms as a meat substitute
Mushrooms are a good source of protein, containing around 2 grams of protein per cup. They are also low in calories and have no cholesterol or fat. This makes them a healthy meat substitute, especially for those looking to follow a vegetarian or vegan diet. Mushrooms are also a good source of selenium, potassium, copper, phosphorus, and iron, as well as B vitamins like riboflavin, niacin, pantothenic acid, and vitamin D.
Mushrooms have a meaty texture and are rich in umami flavour, making them an ideal substitute for meat in various dishes. For example, shiitake mushrooms, native to East Asia, have a distinct smoky flavour that enhances any dish. Oyster mushrooms have a meatier variant that can be used in heartier recipes, such as tacos or chowder, and a lighter variety that can be used in dishes like salads.
Oyster mushrooms can also be shredded and used as a substitute for pulled pork in sandwiches, or breaded and fried to create a vegan schnitzel. They can even be coated in a seasoned batter and fried to make vegan fried "chicken". In addition, oyster mushrooms can be marinated in a garlic-balsamic glaze and air-fried to create a vegan buffalo "chicken" sandwich.
Shiitake mushrooms can be used in vegan stir-fries and soups, such as a vegan Mapo Tofu recipe where they replace pork. They can also be dried to intensify their flavour and aroma, making them a versatile ingredient.
Lions mane mushrooms can be shredded and used as a substitute for crab meat. They can also be sliced and seared, and then added to a spicy creamy udon dish.
Mushrooms can also be used to bulk up meals like tacos or spaghetti sauce, where they can be added to "beef" crumbles to make the dish more nutritious and flavourful.
Overall, mushrooms are a healthy and delicious meat substitute that can be used in a variety of dishes to add texture, flavour, and substance. They are a good option for those looking to reduce their meat consumption or follow a vegetarian or vegan diet.
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Types of mushrooms and their nutritional profiles
Mushrooms are a type of fungus that contains a substance called ergosterol, which is structurally similar to cholesterol in animals. They are biologically distinct from plant- and animal-derived foods and have a unique nutrient profile. While they are often classified as vegetables, they are neither plants nor animals.
There are over 10,000 known types of mushrooms, which vary in appearance and nutritional content. Here is an overview of some common types of mushrooms and their nutritional profiles:
White Mushrooms
White mushrooms are one of the most commonly consumed types of mushrooms. They are a good source of vitamin D, especially when exposed to ultraviolet (UV) light, which converts the naturally present ergosterol into vitamin D2. They also contain fibre-associated monosaccharides, chitin, and β-glucan.
Crimini or Cremini Mushrooms
Cremini mushrooms are an excellent source of zinc, which is important for the immune system and optimal growth in infants and children. They can be consumed raw or cooked and are a popular ingredient in various dishes.
Portabella Mushrooms
Portabella mushrooms, like white mushrooms, are a good source of vitamin D when exposed to UV light. They are often used in main entrées in plant-based diets and are known for their umami flavour.
Oyster Mushrooms
Oyster mushrooms are a type of specialty mushroom. They are a rich source of micronutrients, including potassium, selenium, copper, riboflavin, and niacin. Adding a serving of oyster mushrooms to a meal can increase the nutritional profile without increasing calories, sodium, saturated fat, or cholesterol.
Maitake Mushrooms
Maitake mushrooms, also known as hen-of-the-woods, have a rich, savoury flavour and meaty texture. They are a good source of B vitamins, including folate, niacin, and riboflavin, and minerals like copper. Maitake mushrooms are also known for their potential health benefits, including anticancer, immune-supporting, anti-diabetic, and anti-inflammatory properties.
Shiitake Mushrooms
Shiitake mushrooms are rich in immune-supportive and anti-inflammatory compounds. Consuming shiitake mushrooms has been shown to improve immune health by increasing levels of natural killer cells and reducing inflammatory proteins.
Lion's Mane Mushrooms
Lion's mane mushrooms have been associated with reduced stress and improved cognitive function in small studies. They also possess antioxidant, anticancer, and neuroprotective properties due to their high concentration of phenolic acids, polysaccharides, and terpenoids. Lion's mane mushrooms have a savoury, seafood-like flavour and are commonly used in pasta and grain dishes.
Truffles
Truffles are a type of fungus that differs from other mushrooms in appearance and growth habit. They lack stems, have a bumpy texture, and grow underground attached to the roots of trees. Truffles have a stronger taste and smell than other mushrooms and are considered a delicacy.
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Frequently asked questions
Mushrooms are a balanced source of carbohydrates and protein, with a macronutrient breakdown of 46% carbohydrates, 11% fat, and 43% protein.
Mushrooms are low in calories and have virtually no fat or cholesterol. They are also a good source of vitamins and minerals, including vitamin B, vitamin D, copper, potassium, phosphorus, and iron.
One cup of mushrooms contains between 1-2 grams of protein.
Mushrooms can be cooked in a variety of ways, including grilling, baking, broiling, sautéing, and roasting. They are a versatile ingredient that can add texture, flavour, and substance to meals.
Yes, there are thousands of varieties of mushrooms, many of which have different nutritional profiles. For example, white mushrooms, which account for about 90% of mushrooms consumed in the US, have the most potassium, while cremini and portobello mushrooms have the most of the antioxidant ergothioneine.

























