In America and Europe, the everyday "food mushroom" is the common button mushroom (Agaricus bisporus), commercially cultivated in France since the 1600's. In the Far East, however, the likewise centuries old cultivation of gourmet mushrooms has been primarily focused on an entirely different species - the Shiitake. Only in the last few decades has Shiitake become a common household name in the West.
Known alternately as Black Mushroom or Chinese Mushroom, wild Shiitake grows in Asia only. The name derives from the Shii Tree, its preferred host, although Shiitake may also grow on oaks and beeches. Shiitake has been cultivated in China and Japan for a thousand years.
Although most westerners are now familiar with Shiitake as a food mushroom, few know that it's also the most researched medicinal mushroom in Asia. As with other medicinal mushrooms, the research has largely focused on applications against cancer, [94] but also on its anti-viral properties. [93]
The benefit of using Shiitake mycelium extract as opposed to the mushroom fruit body is that there are compounds in the mycelium that don't exist in the fruiting body or that may be in much higher concentration in the mycelium.
In fact, the most commonly researched Shiitake extract is known as Lentinula Edodes Mycelia extract, or LEM for short. (Lentinula edodes is the Latin name for Shiitake.) LEM has been reported in various research papers as being anti-bacterial, [98, 99] boosting the immune system, [95, 96, 97] and being anti-tumoral. [100] A study on melanoma found that it killed the mutated melanoma cells but caused no harm to cells that were healthy. [101]
A famous polysaccharide isolated from Shiitake is known as Lentinan, deriving its name from Lentinula. Lentinan has been shown to stimulate the natural cancer fighting mechanisms of the human immune system [102, 103, 104, 105, 106, 107, 108, 109, 110] and is used in Asia as a cancer-drug, administered intravenously.
Arabinoxylanes, compounds resulting from Shiitake-on-rice fermentation, have also demonstrated significant anti-viral activity. [111, 112, 113]
Two viruses in particular that have been studied with promising results are herpes simplex type 1 [114] and HIV [115, 116, 117]. It should be mentioned, however, that the previously mentioned Lentinan as an isolated compound does not appear to affect HIV replication. [25]
Additional studies have reported positive results with Shiitake extract in conditions of chronic fatigue syndrome [119] and Candida [118], as well as for septic shock prevention. [120]
And last but not least, in his book Mycelium Running, foremost U.S. medicinal mushroom expert Paul Stamets also lists the following areas where Shiitake has been reported as having a therapeutic effect: Blood sugar; blood pressure; kidney support; cholesterol; liver health; stress; sexual dysfunction; breast cancer; prostate cancer; liver cancer. [134]
Note: The statements on this page have not been evaluated by the Food and Drug Administration. This article is not intended to diagnose, treat, cure or prevent any disease. Never use any medicinal mushroom or herb without prior approval by medical doctor.
Credit: Thank you to Paul Stamets for source material.
Known alternately as Black Mushroom or Chinese Mushroom, wild Shiitake grows in Asia only. The name derives from the Shii Tree, its preferred host, although Shiitake may also grow on oaks and beeches. Shiitake has been cultivated in China and Japan for a thousand years.
Although most westerners are now familiar with Shiitake as a food mushroom, few know that it's also the most researched medicinal mushroom in Asia. As with other medicinal mushrooms, the research has largely focused on applications against cancer, [94] but also on its anti-viral properties. [93]
The benefit of using Shiitake mycelium extract as opposed to the mushroom fruit body is that there are compounds in the mycelium that don't exist in the fruiting body or that may be in much higher concentration in the mycelium.
In fact, the most commonly researched Shiitake extract is known as Lentinula Edodes Mycelia extract, or LEM for short. (Lentinula edodes is the Latin name for Shiitake.) LEM has been reported in various research papers as being anti-bacterial, [98, 99] boosting the immune system, [95, 96, 97] and being anti-tumoral. [100] A study on melanoma found that it killed the mutated melanoma cells but caused no harm to cells that were healthy. [101]
A famous polysaccharide isolated from Shiitake is known as Lentinan, deriving its name from Lentinula. Lentinan has been shown to stimulate the natural cancer fighting mechanisms of the human immune system [102, 103, 104, 105, 106, 107, 108, 109, 110] and is used in Asia as a cancer-drug, administered intravenously.
Arabinoxylanes, compounds resulting from Shiitake-on-rice fermentation, have also demonstrated significant anti-viral activity. [111, 112, 113]
Two viruses in particular that have been studied with promising results are herpes simplex type 1 [114] and HIV [115, 116, 117]. It should be mentioned, however, that the previously mentioned Lentinan as an isolated compound does not appear to affect HIV replication. [25]
Additional studies have reported positive results with Shiitake extract in conditions of chronic fatigue syndrome [119] and Candida [118], as well as for septic shock prevention. [120]
And last but not least, in his book Mycelium Running, foremost U.S. medicinal mushroom expert Paul Stamets also lists the following areas where Shiitake has been reported as having a therapeutic effect: Blood sugar; blood pressure; kidney support; cholesterol; liver health; stress; sexual dysfunction; breast cancer; prostate cancer; liver cancer. [134]
Note: The statements on this page have not been evaluated by the Food and Drug Administration. This article is not intended to diagnose, treat, cure or prevent any disease. Never use any medicinal mushroom or herb without prior approval by medical doctor.
Credit: Thank you to Paul Stamets for source material.
About the Author:
Dr. Rafael has devoted his life to natural health since finishing Chiropractic College in the mid-90's. He currently specializes in to research and write about medicinal mushrooms, including Shiitake extract. For research references to this article, go to the extract of Shiitake mushroom page and click on any number indicating a reference and you will be taken to the list of references.
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