
Mushrooms are a popular ingredient in dishes around the world, and they can be cooked in a variety of ways, including grilling, baking, and roasting. They are also often eaten raw, for example in salads. But do raw mushrooms contain carbohydrates? The answer is yes, one cup of raw mushrooms contains 2.3 grams of carbohydrates, and they are also a good source of fiber, particularly the soluble fiber beta-glucan. However, the carbohydrate content of mushrooms is relatively low compared to other foods, and they are considered to have a low glycemic index, which means they are presumed to have little negative effect on blood glucose or insulin response.
| Characteristics | Values |
|---|---|
| Carbohydrates | 2.3 grams per cup |
| Calories | 15 per cup |
| Protein | 2.2 grams per cup |
| Fat | 0.2 grams per cup |
| Vitamins | B vitamins (thiamine, riboflavin, B6, B12), vitamin C, folate |
| Minerals | Copper, potassium, phosphorus, iron |
| Toxins | Certain varieties contain small amounts of toxins, including a compound that is considered carcinogenic, which is destroyed through cooking |
| Shelf Life | 3-5 days in the refrigerator |
| Preparation | Can be eaten raw or cooked; cooked through methods such as grilling, baking, broiling, sautéing, and roasting |
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What You'll Learn
- Raw mushrooms are a good source of fibre, including beta-glucan, which may lower blood cholesterol
- They are low in calories, with one cup containing 15 calories
- Raw mushrooms contain a small amount of protein, at 2.2 grams per cup
- They are nutrient-dense and provide vitamins C, B6, B12, and folate
- Raw mushrooms have a higher water content, which affects their carb content

Raw mushrooms are a good source of fibre, including beta-glucan, which may lower blood cholesterol
Beta-glucan is a type of soluble fibre found in the cell walls of mushrooms. It has been shown to stimulate the immune system and activate macrophages and natural killer cells, which protect the body from infection and disease. Beta-glucan has also been linked to lowering blood cholesterol levels, which may help to reduce the risk of heart disease.
Mushrooms are a low-calorie food, with one cup of raw mushrooms containing only 15 calories. They are also a good source of protein, with 2.2 grams of protein per cup. In addition, mushrooms contain important vitamins and minerals, including vitamin C, potassium, and folate.
When it comes to carbohydrate content, one cup of raw mushrooms contains 2.3 grams of carbohydrates. This includes 1 gram of net carbs and 1.6 grams of net carbs according to different sources. The carb content of mushrooms is relatively low compared to other foods, and they have a naturally low glycemic index, which means they are presumed to have little negative effect on blood glucose or insulin response.
While raw mushrooms are a healthy addition to any meal, it is important to note that certain varieties may contain small amounts of toxins, which can be destroyed through cooking. It is always recommended to buy mushrooms from a reliable source and to cook them properly to ensure food safety.
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They are low in calories, with one cup containing 15 calories
Raw mushrooms are an excellent, low-calorie food option. A cup of raw mushrooms contains 15 calories, 2.3 grams of carbohydrates, 0.2 grams of fat, and 2.2 grams of protein. They are also a good source of micronutrients, including copper, potassium, phosphorus, and iron.
Mushrooms are a versatile ingredient that can be cooked in a variety of ways, including grilling, baking, broiling, sautéing, and roasting. They can be added to sauces, stews, soups, salads, or grain, potato, or egg dishes.
When buying fresh mushrooms, look for those that are firm, dry, clean, and free of blemishes. They should be stored in the refrigerator and are best washed just before use. Fresh mushrooms have a short shelf life of about 3 to 5 days.
Mushrooms are a good source of dietary fiber, which has been linked to improved gut health and a reduced risk of developing type 2 diabetes. They also contain beta-glucans, a type of fiber that may help lower blood cholesterol levels.
In addition, mushrooms provide a natural source of vitamin D2, as well as vitamin C, B vitamins, and folate. Certain varieties, such as lion's mane mushrooms, have been studied for their potential brain health benefits, including improved memory and brain cell growth.
While most mushrooms are edible and provide similar nutrient profiles, it is important to note that some types are toxic. It is recommended to consume mushrooms from a reliable source to ensure food safety.
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Raw mushrooms contain a small amount of protein, at 2.2 grams per cup
Raw mushrooms are a nutrient-dense food with several health benefits. They are a good source of dietary fibre, particularly the soluble fibre beta-glucan, which may help lower blood cholesterol levels. They are also a natural, non-animal source of vitamin D2, and contain other micronutrients including copper, potassium, phosphorus, and iron.
In addition, mushrooms contain a small amount of protein, at 2.2 grams per cup. This amount represents a portion of an individual's daily protein needs, which can vary depending on personal circumstances. It is recommended to eat protein-rich foods such as legumes, nuts, dairy, meat, or fish as part of a balanced diet.
While raw mushrooms provide nutritional benefits, it is important to note that certain varieties contain small amounts of toxins, including compounds that are considered carcinogenic. These toxins are destroyed through cooking, which also helps to enhance the flavour and texture of mushrooms, making them a versatile ingredient in various dishes.
When purchasing raw mushrooms, it is important to select fresh, firm, dry, and unbruised mushrooms that are free of blemishes. They can be stored in the refrigerator for up to five days and should not be washed until just before use.
Overall, raw mushrooms are a healthy addition to a varied diet, offering a range of nutrients, including a small but significant contribution to daily protein intake.
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They are nutrient-dense and provide vitamins C, B6, B12, and folate
Raw mushrooms are nutrient-dense, providing a range of vitamins, minerals, and antioxidants. They are an excellent source of vitamins B6, B12, and folate, as well as containing vitamin C.
Vitamin B6, or pyridoxine, is a water-soluble vitamin that plays a vital role in several bodily functions. It helps the body convert food into energy, supports the nervous system, and is involved in the production of red blood cells and neurotransmitters. B6 also contributes to a healthy immune system and the formation of certain hormones. Mushrooms are a good source of this vitamin, with most varieties providing similar quantities regardless of their shape or size.
Vitamin B12, also known as cobalamin, is another important water-soluble vitamin found in mushrooms. B12 promotes red blood cell formation, supports nerve function, aids in DNA production, and helps prevent anemia. While B12 is generally low in most mushroom varieties, certain types like shiitake mushrooms are known to contain higher levels of this vitamin.
Folate, or vitamin B9, is also present in mushrooms. Folate is crucial for cell growth and division, proper brain function, and the production of DNA and RNA. It is particularly important during pregnancy, as it promotes healthy fetal development. A cup of sliced raw mushrooms provides a good amount of folate, contributing to the recommended daily intake.
Vitamin C, or ascorbic acid, is another essential nutrient found in mushrooms. It is a powerful antioxidant that helps protect the body against damage caused by free radicals. Vitamin C also contributes to the health of the heart and blood vessels, and a deficiency in this vitamin has been linked to an increased risk of cardiovascular disease. A cup of mushrooms provides a good portion of the recommended daily intake of vitamin C.
In addition to these vitamins, raw mushrooms also provide other valuable nutrients like potassium, fiber, protein, and small amounts of fat. They have a low glycemic index due to their low carbohydrate content, making them a suitable food choice for those concerned about blood glucose levels. Mushrooms are indeed nutrient-dense, offering a variety of health benefits and contributing to a well-rounded diet.
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Raw mushrooms have a higher water content, which affects their carb content
Mushrooms are a nutrient-dense food with a variety of health benefits. They are low in calories and contain a range of micronutrients, including copper, potassium, phosphorus, and iron. They are also a good source of fiber, particularly the soluble fiber beta-glucan, which has been linked to lower blood cholesterol levels and improved management of type 2 diabetes.
The water content in raw mushrooms can vary between 80-90%, which means that the carb content per 100 grams of raw mushrooms can range from 0.3 to 3.3 grams, depending on the variety and the specific mushroom. Dried mushrooms have a higher concentration of calories and nutrients compared to raw mushrooms, as the drying process removes water, intensifying the nutritional content per gram.
It is important to note that mushrooms should be obtained from a reliable source as some varieties are toxic. Fresh mushrooms should be clean, firm, dry, and free of blemishes or discoloration. They can be stored in the refrigerator for up to five days and should not be washed until just before use.
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Frequently asked questions
Yes, raw mushrooms do contain carbohydrates. One cup of raw mushrooms contains 2.3 grams of carbohydrates.
Raw mushrooms are a good source of fiber, particularly the soluble fiber beta-glucan, which may help lower blood cholesterol levels. They also contain vitamins B, C, and D2, as well as folate, potassium, copper, phosphorus, and iron. Certain varieties of raw mushrooms contain small amounts of toxins, which are destroyed through cooking.
Cooking mushrooms makes certain nutrients more available for absorption. For example, cooked mushrooms are a good source of vitamin D2, as they have been exposed to UV rays or sunlight. Cooking also breaks down the tough cell walls of mushrooms, making their choline content more readily available. Choline is an antioxidant that may reduce the risk of certain types of cancer.
Raw mushrooms can be sliced and added to salads or used as a filling in omelets. They can also be chopped and added to grain, potato, or egg dishes. However, it is important to note that cooking mushrooms makes them more digestible and helps break down any toxins they may contain.

























