
Mushrooms are a tasty and nutritious food that have been eaten and used as medicine for thousands of years. They are a type of fungus that produces spores, similar to pollen or seeds, which allows them to spread or travel by the wind. They are a good source of antioxidants, vitamins, and minerals and are low in calories, fat, sodium, and cholesterol. Mushrooms are also one of the few non-animal sources of vitamin D, which is important for bone health and immune function. In addition, they contain B vitamins, including thiamine, riboflavin, B6, and B12, and are a rich source of potassium, which is known for reducing the negative impact of sodium on the body.
| Characteristics | Values |
|---|---|
| Calories | Low |
| Vitamins | B vitamins, including thiamine, riboflavin, B6, and B12; vitamin D; vitamin C |
| Minerals | Selenium; zinc; potassium |
| Antioxidants | Glutathione; ergothioneine; selenium |
| Fiber | Beta-glucan, a type of prebiotic fiber |
| Protein | Yes |
| Sodium | Low |
| Cholesterol | Low |
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What You'll Learn

Mushrooms are a source of vitamin D
Mushrooms are a type of fungus that contains a substance called ergosterol, which is similar in structure to cholesterol in animals. Ergosterol can be transformed into vitamin D when exposed to ultraviolet (UV) light. This is why mushrooms that are exposed to sunlight or UV light before packing are a source of vitamin D. The vitamin D2 in UV-exposed mushrooms may decrease with storage and cooking, but if consumed before the 'best-before' date, the vitamin D2 level is likely to remain above 10 μg/100 g fresh weight, which is higher than the level in most vitamin D-containing foods.
Mushrooms are the only significant source of vitamin D in the produce department, as no other fruits and vegetables contain enough of the nutrient to be considered beneficial. Vitamin D is a highly impactful nutrient for people of all ages, and mushrooms are the only non-animal food product with substantial amounts of bioavailable vitamin D. This makes them a primary source of dietary vitamin D for vegans and vegetarians.
The amount of vitamin D in mushrooms varies widely and depends on how long they are exposed to UV light. Fresh wild mushrooms like chanterelles and morels can contain up to 1200 IU of vitamin D per 3.5-ounce serving, whereas mushrooms grown in darkened conditions like white button, shiitake, and oyster mushrooms contain less than 40 IU. However, button mushrooms exposed to sunlight can produce up to 400 IU of vitamin D per 3.5-ounce serving. Mushrooms treated with UV lamps can produce even higher amounts of vitamin D.
Mushrooms are an extremely nutritious food and are good for human health. They are a rich, low-calorie source of fiber, protein, and antioxidants. They also contain various B vitamins, including thiamine, riboflavin, B6, and B12. The B vitamins in mushrooms may help to protect against cognitive decline and boost brain health. Additionally, mushrooms may help to lessen the risk of developing serious health conditions, such as Alzheimer's, heart disease, cancer, and diabetes.
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They are rich in potassium and low in sodium
Mushrooms are a rich source of potassium, a nutrient that helps to lessen the negative impact of sodium on the body. They are also low in sodium themselves, making them a great ingredient to use in recipes that call for saltier components. This can help to reduce your sodium intake, which in turn helps with blood pressure.
Potassium also helps to lessen the tension in blood vessels, which may help to lower blood pressure. This is one of the reasons why mushrooms are known for their health benefits. They have been eaten and used as medicine for thousands of years, and are known to be good for the immune system.
The amount of potassium in mushrooms varies depending on the variety of mushroom and whether it is measured raw or cooked. For example, 1/2 cup of uncooked, sliced white mushrooms contains 153 mg of potassium. If cooked and then measured, 1/2 cup of white mushrooms contains 276 mg of potassium.
Canned mushrooms can have a lot of sodium due to the salty brine used in the canning process. However, rinsing them can help to remove some of the sodium. Fresh mushrooms are therefore a better source of potassium and low sodium.
Mushrooms are also a good source of vitamin D, especially when exposed to ultraviolet light. They contain a substance called ergosterol, which produces vitamin D2 when exposed to UV light. This is a form of vitamin D that is only found in plants.
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Mushrooms are a good source of fibre
The amount of vitamin D in mushrooms varies and depends on their exposure to UV light. Wild mushrooms like chanterelles and morels can have up to 1200 IU of vitamin D per 3.5-ounce serving, while those grown in dark conditions, like white button, shiitake, and oyster mushrooms, contain less than 40 IU. Exposing these mushrooms to sunlight or UV lamps can significantly increase their vitamin D content.
Mushrooms are also a good source of potassium, which helps to reduce the negative impact of sodium on the body and lower blood pressure. Additionally, their low sodium content makes them a healthy substitute in recipes that call for saltier ingredients. Cremini mushrooms, in particular, are an excellent source of zinc, an essential nutrient for the immune system and optimal growth in infants and children.
Mushrooms are versatile and can be eaten raw or cooked. They can be added to various dishes, enhancing both flavour and texture. With their delicate flavour, meaty texture, and umami taste, they are a great meat substitute.
Overall, mushrooms are a nutritious food with numerous health benefits, including potential protection against serious health conditions such as Alzheimer's, heart disease, cancer, and diabetes.
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They contain B vitamins
Mushrooms are a nutritious food with a delicate flavour and meaty texture. They are a good source of B vitamins, including thiamine, riboflavin, B6, and B12. B vitamins are essential for several bodily functions, including energy metabolism and red blood cell formation.
Vitamin B6, also known as pyridoxine, is involved in protein metabolism and the formation of red blood cells, which are responsible for carrying oxygen throughout the body. Shiitake mushrooms are an excellent source of vitamin B6, and including them in your diet can help ensure adequate intake of this essential nutrient.
Riboflavin, or vitamin B2, plays a crucial role in energy metabolism and the breakdown of carbohydrates, proteins, and fats. It also supports the health of the skin, eyes, and nervous system. By consuming mushrooms that contain riboflavin, individuals can contribute to their recommended daily intake of this vitamin.
Thiamine, or vitamin B1, is necessary for the body's production of energy and the metabolism of carbohydrates. It also plays a role in nerve conduction and the maintenance of healthy skin, hair, and muscles. Mushrooms that contain thiamine can help individuals meet their recommended daily allowance of this vitamin, promoting overall health and well-being.
Vitamin B12, or cobalamin, is involved in the formation of red blood cells and the maintenance of a healthy nervous system. It is worth noting that vitamin B12 is mainly found in animal products, so mushrooms provide a valuable source of this vitamin for individuals following a vegetarian or vegan diet.
In addition to their B vitamin content, mushrooms offer a range of other nutritional benefits. They are low in calories and provide a good source of fibre, protein, and antioxidants. Mushrooms also contain minerals such as selenium, which supports the immune system and helps prevent damage to cells and tissues.
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Mushrooms are low-calorie
Mushrooms are also a good source of potassium, a nutrient that reduces the negative impact of sodium on the body. They are low in sodium, which helps to lower blood pressure and maintain healthy blood circulation. They also contain beta-glucans, a type of prebiotic fibre associated with lower cholesterol and reduced inflammation. The fibre in mushrooms also encourages the growth of healthy bacteria in the gut.
Mushrooms are a versatile ingredient that can be used in many recipes. They have a delicate flavour and meaty texture, making them an excellent substitute for meat in dishes. They are also easy to prepare and can be cooked in a variety of ways, such as simmering, sautéing, grilling, or baking.
While mushrooms are generally safe to consume, it is important to note that some varieties are toxic to humans, such as the Amanita mushroom species. It is recommended to purchase mushrooms rather than forage for them, as several types can be deadly if consumed. When buying fresh mushrooms, choose ones that are firm, dry, and unbruised, and store them in the refrigerator.
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Frequently asked questions
Mushrooms are a rich source of potassium, fibre, protein, and antioxidants. They are low in calories, fat, sodium, and cholesterol. They also contain B vitamins, vitamin D, and selenium. Mushrooms have been linked to several health benefits, including improved cardiovascular health, reduced risk of cancer, improved insulin resistance, and lower blood pressure.
The amount of vitamin D in mushrooms depends on their exposure to UV light. Mushrooms grown in dark conditions, such as white button, shiitake, and oyster mushrooms, contain less vitamin D. Mushrooms exposed to UV light, either from sunlight or a UV lamp, can increase their vitamin D content. Wild mushrooms like chanterelles and morels can contain up to 1200 IU of vitamin D per 3.5-ounce serving.
While edible mushrooms offer numerous health benefits, it is important to note that some mushroom varieties are toxic to humans. Certain mushrooms, commonly known as "magic mushrooms," contain psilocybin, which can cause hallucinations and other adverse effects. Foraging for wild mushrooms can be dangerous if you cannot properly identify safe mushrooms for consumption. Always cook mushrooms before consuming them, as only a few varieties are safe to eat raw.

























