
Mushrooms are a type of fungus that grows in the soil or on trees. They are often categorized as vegetables and are consumed worldwide. There are many varieties of mushrooms, including white button, portobello, shitake, and oyster mushrooms. They are a healthy option, being low in calories and fat but rich in nutrients, vitamins, and minerals. The calorie content of mushrooms varies depending on the type and quantity. For example, one cup of raw, sliced oyster mushrooms contains 28 calories, while 100 grams of lion's mane mushrooms contain 24 calories. Cooking methods can also affect the nutritional value of mushrooms, with grilling and microwaving preserving nutrients better than frying or boiling.
| Characteristics | Values |
|---|---|
| Calories in 1 cup of raw, sliced oyster mushrooms | 28 |
| Calories in 100 grams of lion's mane mushrooms | 24 |
| Calories in 1 cup of sliced white mushrooms stir-fried | 28 |
| Calories in 1 cup of grilled portobello mushrooms | 35 |
| Calories in 1 cup of cooked shiitake mushrooms | 81 |
| Calories in 1 cup of white mushrooms | 44 |
| Calories in 100 grams of cooked mushrooms | 80-95 |
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What You'll Learn

Calories in a cup of raw oyster mushrooms
Mushrooms are a type of fungi, often categorised with vegetables, that are enjoyed around the world. They are a low-calorie food option, and a healthy addition to any diet.
Oyster mushrooms, in particular, are an excellent source of nutrition. One cup of raw, sliced oyster mushrooms (86g) contains 28 calories. The calorie composition is 59% carbohydrates, 32% protein, and 10% fat.
Oyster mushrooms are also a good source of fibre, vitamins, minerals, and other important nutrients. They are loaded with niacin, riboflavin, phosphorus, copper, and pantothenic acid. They also contain smaller amounts of vitamin D, selenium, and antioxidants.
The health benefits of oyster mushrooms are numerous. They may possess cancer-fighting properties, as a 2012 study found that oyster mushroom extract may suppress breast cancer and colon cancer growth. They are also beneficial for heart health, as they have been shown to reduce blood sugar, triglyceride, blood pressure, and insulin levels, thereby decreasing the risk of heart disease. Additionally, oyster mushrooms may help regulate blood sugar levels, as evidenced by a study where powdered oyster mushrooms reduced post-meal blood sugar levels in people with and without type 2 diabetes.
It is worth noting that oyster mushrooms should be cooked before consumption, as their cell walls contain chitin, which is difficult for humans to digest. Cooking methods such as sautéing, boiling, grilling, and baking are recommended as lower-calorie and healthier options.
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Calories in grilled portobello mushrooms
Mushrooms are a type of fungi often categorised with vegetables and enjoyed worldwide. They are a healthy, low-calorie food option. The calorie content and nutritional value of mushrooms can vary depending on the variety, cooking method, and serving size.
Portobello mushrooms, in particular, are a good source of nutrients and have a low-calorie content. According to the USDA, there are 18 calories in portobello mushrooms per 3-ounce serving (approximately one mushroom). This amount is only 1% of a typical 2,000-calorie daily diet for the average adult. Grilled portobello mushrooms have even fewer calories, with one source stating a value of 35 calories per cup.
The low-calorie nature of portobello mushrooms makes them an attractive option for weight management. They can be grilled, sautéed, baked, or boiled, retaining most of their nutritional value. Portobello mushrooms are also a good source of plant-based protein, with each mushroom containing over 2 grams of protein. Additionally, they are rich in selenium, copper, vitamin B6, and niacin.
When compared to other foods, the calorie difference is significant. For example, 3 ounces of cooked ground beef contains 218 calories, while eight large portobello mushrooms have the same number of calories as one small hamburger patty. Portobello mushrooms are also low in fat, with less than half a gram of fat per mushroom, and they contain no saturated fat, trans fats, or cholesterol.
In conclusion, grilled portobello mushrooms are a nutritious and low-calorie food option. They can be a satisfying and healthy alternative to higher-calorie foods, making them a valuable component of a balanced diet, particularly for those conscious of their weight and overall health.
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Calories in cooked shiitake mushrooms
Mushrooms are a type of fungi, often categorized as vegetables and enjoyed worldwide. They are known for their umami taste, or the "meatiness" that one can sense on the palate. There are many varieties of mushrooms, including oyster, portobello, button, shiitake, and crimini.
Shiitake mushrooms, in particular, are native to East Asia and are one of the most popular mushrooms worldwide. They are prized for their rich, savoury taste and diverse health benefits. They are a powerful source of many nutrients and contain several vitamins and minerals. They are also a good source of protein, with 2.3 grams per cooked cup.
Cooked shiitake mushrooms contain 81 calories per cup (145 grams). The calorie composition is 88% carbohydrates, 9% protein, and 3% fat. They are a low-calorie, high-fibre food, making them a filling and nutritious option.
Shiitake mushrooms are also known for their health benefits. They are a good source of zinc, copper, and selenium. They contain vitamin D, especially if exposed to UV-B light, and are naturally low in sodium and free of saturated fats. Studies suggest that the bioactive compounds in shiitake mushrooms may protect against cancer, reduce inflammation, and boost heart health by lowering cholesterol.
Overall, cooked shiitake mushrooms are a nutritious and tasty addition to any diet. They can be cooked in various ways, including sautéing, boiling, grilling, and baking, to retain their nutritional benefits.
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Calories in cooked white mushrooms
White mushrooms, or Agaricus bisporus, are the most cultivated type of mushroom in the world, constituting about 90% of mushrooms consumed in the United States. They are low in calories and sugar, but high in protein and vitamin D, and they provide some vitamin B12. They are considered beneficial for those following plant-based diets.
One cup (96 grams) of whole white mushrooms provides 28 calories when stir-fried, according to the USDA. This serving size also contains 0.36 grams of total fat, with 0.043 grams of saturated fat and 0.173 grams of polyunsaturated fat. It also has 3.87 grams of protein and 4.36 grams of carbohydrates, including 1.9 grams of dietary fiber.
White mushrooms are a natural, non-animal source of vitamin D2, which can increase blood levels of this vitamin as effectively as a supplement. They are also believed to have cancer-fighting properties due to their antioxidant compounds, including polyphenols, polysaccharides, ergothioneine, glutathione, selenium, and vitamin C.
It is recommended to cook mushrooms before consuming them as their cell walls are constructed of chitin, which is difficult for humans to digest. Cooking methods such as sautéing, boiling, grilling, and baking are considered lower calorie and healthier options compared to frying.
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Calories in cooked lion's mane mushrooms
Mushrooms are a type of fungi that are often categorized as vegetables. They are a healthy, low-calorie food option and can be cooked in a variety of ways, including grilling, boiling, sautéing, and baking.
Lion's mane mushrooms, also known as hedgehog mushrooms or Hericium erinaceus, have a long history of cultivation as both food and medicine. They are considered the world's first "smart mushroom," with proven benefits for cognitive function and nerve regeneration. They can be consumed raw, cooked, dried, or steeped as tea.
In terms of calories, a 100-gram serving of lion's mane mushrooms contains approximately 24-35 calories. This serving size provides 3.6 grams of carbohydrates and 2.4 grams of protein, along with some potassium and iron.
Cooked lion's mane mushrooms can be prepared in various dishes, such as risotto, pasta, soup, or stir-fries. They are slightly chewy, tender, and juicy when cooked. To cook lion's mane mushrooms, it is recommended to dry sauté them in a hot skillet until they release water and the edges turn brown. Then, you can add butter and seasonings to taste.
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Frequently asked questions
There are 16 grams in a tablespoon of mushrooms. Since a cup of mushrooms (96 grams) contains 28 to 44 calories, a tablespoon of mushrooms would contain approximately 10 to 16 calories.
Raw mushrooms retain 80 to 95 percent of their nutrients. However, cooking mushrooms is recommended because their cell walls contain chitin, which is difficult for humans to digest.
Mushrooms are rich in vitamin D, B vitamins, protein, fibre, and minerals.
Mushrooms have been shown to have antioxidant, anti-inflammatory, and anticancer properties. They may also help to reduce the risk of cognitive dysfunction and lower the risk of neurological diseases.
Common types of mushrooms include white button, portobello, shiitake, and oyster mushrooms.
























