19 July 2025

Mushroom of Life - Agaricus blazei Murrill

 

Agaricus blazei Murrill,  popularly known as 'Cogumelo do Sol' in Brazil, or 'Himematsutake' in Japan, also called ‘The Sun Mushroom of Aztecs’, is a mushroom native to Brazil, and widely cultivated in Japan for its medicinal uses. It is now considered as one of the most important edible and culinary-medicinal biotechnological species.

Agaricus blazei Murill has been utilized in alternative drug to anticipate cardiac disease, diabetes, arthritis, increased cholesterol, hepatitis and cancers.

Agaricus contains, among other substances, over 18 different amino acids, 10 different minerals, 16 different vitamins, 46 enzymes, ergosterol, linoleic acid and polysaccharides: 1-3/1-6 beta-glucans.

Immune system

Studies have found that immune boosting properties of Agaricus blazei come from the various beneficial polysaccharides in the form of highly structured beta-glucans they contain. These compounds are known for their amazing ability to modulate the body’s immune response and provide protection against disease. The polysaccharides found in this mushroom regulate the production of antibodies and work as "biological response modifiers".

Data from in vitro and animal studies indicate that Agaricus activates white blood cells such as macrophages, dendritic cells, granulocytes and natural killer cells in the innate immune system, which is an important evolutionary first-line defence system. It detects danger patterns and reacts, destroying the hostile elements (for example viruses or bacteria).

Agaricus is an immune modulator and educator, which means it works intelligently.  If the immune system is over-stimulated (as can happen with auto-immune disorders) the immune system attacks everything in sight including the body’s own tissues. In this case, Agaricus will down regulate the immune system and retrain it so that the response to invaders becomes more selective and efficient.

On the other hand, if the immune system is compromised, Agaricus will stimulate and up regulate it to deal with genuine threats appropriately.

The Agaricus blazei Murrill species has proven antitumor activity for some types of cancer. This is because besides contributing to decreasing blood sugar in-vivo, the β-glucan it contains also acts against cancer. Thus the use of this natural product can improve health and increase the patients' immunity.

Digestive system

Agaricus stimulates the digestive system, containing the digestive enzymes amylase, trypsin, maltase and protease. These enzymes assist the body in breaking down protein, carbohydrates and fats.

Various studies have shown this mushroom to be effective against many digestive disorders including gastric ulcers, chronic gastritis, duodenal ulcers, viral enteritis, chronic stomatitis, pyorrhea, constipation and loss of appetite.

Liver Health

Agaricus has shown the abilities to improve the functioning of the liver, even in people who suffer liver damage from hepatitis B. This disease has long been considered as among the most difficult to treat and can produce extensive liver damage.

One recent year-long study found that extracts of the mushroom can return liver function to normal. Also, extracts have been shown to be able to help protect the liver from further damage, specifically against the damaging effects of oxidative stress on the tissues of the liver.

However, other research suggests that Agaricus may be linked to liver damage, especially in individuals with pre-existing liver conditions or when taken in conjunction with certain medications. Therefore, while it may offer some benefits for liver health, it is crucial to be aware of potential risks and consult with a healthcare professional before using, especially if you have any liver issues.

Diabetes

Agaricus contains polysaccharides and beta-glucans, which are hypothesized to interact with cell receptors involved in insulin signaling. By modulating these signaling pathways, it may help cells respond better to insulin, thereby reducing blood glucose levels.

Studies suggest that this mushroom may help lower blood sugar, improve glucose metabolism, and enhance insulin sensitivity. Thus it helps in regulating blood sugar levels, particularly in individuals with diabetes.

Longevity

One study examining 90 to 100 year old indigenous inhabitants in the village of Piedade in Brazil (they were regularly consuming Agaricus Blazei) showed that their biological age was much lower than their real one. Researchers found that their body cells’ division rate was much lower than normal, which slows down aging processes.

Precautions

Agaricus blazei is considered a relatively safe non-toxic mushroom species that can be consumed for culinary purposes or as a dietary supplement and used in therapeutic amounts for an extended period of time.

However, avoid consumption if you have allergies to mushrooms, which may cause digestive upset. It is important to seek the advice of your health care provider if you have serious medical conditions, are undergoing chemotherapy treatment or taking prescribed medications.

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