
Mushrooms are a type of fungi often categorized as vegetables and enjoyed across the world. There are many varieties, including oyster, portobello, button, shitake, and crimini mushrooms. They are a healthy option and can be cooked in many ways, including sautéing, boiling, grilling, and baking. But how many calories are in 100 grams of mushrooms?
| Characteristics | Values |
|---|---|
| Calories in 100 grams of white mushrooms (microwaved) | 35 |
| Calories in 100 grams of brown, Italian, or crimini mushrooms (raw) | 22 |
| Macronutrient breakdown of white mushrooms (microwaved) | 55% carbs, 9% fat, 36% protein |
| Macronutrient breakdown of brown, Italian, or crimini mushrooms (raw) | 61% carbs, 3% fat, 36% protein |
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What You'll Learn

Raw brown, Italian, or crimini mushrooms have 22 calories per 100g
When it comes to calorie content, not all mushrooms are created equal. The calorie count can vary depending on the type of mushroom and its preparation. For example, raw brown, Italian, or crimini mushrooms have 22 calories per 100 grams. This makes them a relatively low-calorie food option.
To put this into perspective, let's compare it to other varieties and cooking methods. White mushrooms, when microwaved, contain 35 calories per 100 grams. This is a significant jump in calorie count compared to their raw, brown counterparts.
The cooking method can also impact the calorie count. Sautéing, boiling, grilling, and baking are considered healthier options than frying, which tends to increase the calorie count. For example, grilling mushrooms allows you to add flavour without necessarily adding a substantial amount of calories, especially when compared to frying.
When considering the nutritional value of mushrooms, it's important to look beyond just calorie content. Mushrooms are a good source of certain macronutrients. Raw brown, Italian, or crimini mushrooms, for instance, provide a balance of carbohydrates (61%), protein (36%), and fat (3%). This makes them a nutritious option for those watching their calorie intake while still wanting a diverse range of nutrients.
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White microwaved mushrooms have 35 calories per 100g
Mushrooms are a type of fungi often categorized as vegetables and enjoyed across the world. There are many varieties, including oyster, portobello, button, shitake, and crimini mushrooms. These versatile foods can be grilled, boiled, sautéed, baked, or fried and used as a side dish or the main component of a meal.
When considering the calorie content of mushrooms, it is important to note that this can vary depending on the type of mushroom, its preparation, and cooking method. For example, 100 grams of raw brown, Italian, or crimini mushrooms contains approximately 22 calories. In contrast, the same weight of white, microwaved mushrooms contains 35 calories. This difference in calorie content may be attributed to the varying cooking methods, with microwaving potentially increasing the calorie content compared to consuming raw mushrooms.
White microwaved mushrooms have a calorie content of 35 per 100 grams. This calorie count includes the macronutrient breakdown of 55% carbohydrates, 9% fat, and 36% protein. This macronutrient composition contributes to the overall energy value of the mushrooms.
It is worth noting that the calorie content of mushrooms can vary slightly depending on various factors, including their origin, growing conditions, and specific variety. However, as a general guideline, 100 grams of white microwaved mushrooms will typically provide you with approximately 35 calories. This information can be useful for those monitoring their calorie intake or following specific dietary plans.
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Mushrooms are often categorised as vegetables
Mushrooms are a good source of nutrients, including niacin, pantothenic acid, selenium, copper, and riboflavin. They are also low in calories, with 100 grams of white mushrooms containing only 35 calories. Despite their nutritional benefits, mushrooms are not vegetables from a biological perspective. They are a type of fungus, belonging to their own separate kingdom distinct from plants, animals, and other life forms.
However, in the kitchen, mushrooms are often treated as vegetables. They can be prepared and cooked in similar ways to vegetables and are commonly used in recipes such as stir-fries, stews, and sauces. Mushrooms are also a popular meat substitute due to their meaty texture and savory flavor. Portobello mushroom caps, for example, can be used as a beef burger patty, while sliced mushrooms can be a healthy finger food for babies or a meat alternative in dishes like tacos and chili.
The classification of mushrooms as vegetables or fungi depends on the context. While biologically they are fungi, in culinary and nutritional contexts, they are often treated as vegetables. This practical classification is reflected in how we prepare and consume mushrooms, as well as their increasing use in plant-based diets.
The unique nutritional profile of mushrooms, which includes nutrients found in both plant- and animal-derived foods, further complicates their categorization. Mushrooms are informally categorized among the "white vegetables," but they also contribute to higher intakes of total vegetables and other food groups. Their diverse nutrient content suggests that it may be time to reevaluate food groupings and consider the benefits of a third food kingdom that includes fungi/mycology.
While the technical definition of mushrooms as fungi is important, it is their practical application in the kitchen and their nutritional value that often takes precedence in daily life. Mushrooms are a versatile ingredient that can enhance the taste and nutritional profile of various dishes, regardless of their exact categorization.
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Mushrooms are a source of umami
Mushrooms are a low-calorie food, with 100 grams of microwaved white mushrooms containing 35 calories. They are also a source of umami, which is one of the five basic tastes and can be translated from Japanese as a "pleasant savory taste". Umami taste typically comes from glutamates and nucleotides, which are commonly added to foods in the form of monosodium glutamate (MSG) and disodium guanylate, inosine monophosphate (IMP), or guanosine monophosphate (GMP). Mushrooms, especially dried shiitake, are rich sources of umami flavour from guanylate. Other foods with a strong umami flavour include meat, shellfish, fish, meat extracts, vegetables, and fermented products.
The umami taste in mushrooms can be intensified by searing or roasting them, which also adds a more intense roasted, charred, and smoky flavour. Mushrooms are naturally low in sodium, and their umami flavour can counterbalance saltiness, allowing for less salt to be used in a dish without compromising flavour.
A comparative analysis of the umami taste of five fresh edible mushrooms (Morchella esculenta, Pleurotus eryngii, Oudemansiella radicata, Lentinus edodes, and Grifola frondosa) found that P. eryngii and O. radicata exhibited a high level of umami taste. The primary umami constituents of P. eryngii are flavour 5'-nucleotides, while O. radicata derives its umami taste from umami amino acids.
Umami taste is beneficial for certain population groups, such as the elderly, whose taste and smell sensitivity may be impaired by age and medication. The loss of taste and smell can lead to poor nutrition, so the ability of umami to stimulate appetite and contribute to satiety can reduce the risk of disease.
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Frying mushrooms is less healthy than sautéing, boiling, grilling, or baking them
Mushrooms are a great addition to a meal, offering a low-calorie way to add flavour and texture. They are also fat- and cholesterol-free, and a rich source of antioxidants, fibre, B vitamins, copper, and potassium. However, the way you cook mushrooms can have a big impact on their nutritional value.
Frying mushrooms is a popular choice, but it is not the healthiest option. Frying mushrooms can result in a loss of protein and antioxidants due to the "leaching of soluble substances in the water or in the oil". This means that the nutritional value of the mushrooms is reduced, and the health benefits are diminished.
On the other hand, grilling mushrooms is a healthier alternative. Grilling has been shown to increase the antioxidant activity of mushrooms, especially when grilled with olive oil. The fatty acid profile of the final dish is enhanced with barely any increase in calorie content, so you can enjoy the benefits of the mushrooms without sacrificing taste.
Boiling mushrooms is another option, but it is not as effective as grilling. Boiling can result in a loss of vitamins, so while it may be better than frying, it is still not the best choice for preserving the nutritional value of mushrooms.
Microwaving mushrooms is also a healthy option, as it preserves their nutritional content and increases their antioxidant levels. So, if you're looking for a quick and easy way to cook mushrooms without sacrificing their health benefits, microwaving is a good choice.
Overall, while frying mushrooms may be tasty, it is not the healthiest option. To get the most out of this functional food, grilling, microwaving, sautéing, or baking are better choices that will preserve the nutritional value and enhance their health benefits.
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Frequently asked questions
There are 22 calories in 100 grams of raw brown, Italian, or crimini mushrooms.
There are 35 calories in 100 grams of white microwaved mushrooms.
100 grams of raw brown, Italian, or crimini mushrooms is made up of 61% carbohydrates, 3% fat, and 36% protein.
100 grams of white microwaved mushrooms consists of 55% carbohydrates, 9% fat, and 36% protein.

























