Tuesday, February 9, 2010

Siberian Chaga Used in Russia as Cancer Drug

By Dr. Markho Rafael

Siberian chaga mushroom appears as a black mass on birch trees, dead or alive. Occasionally, it may also be seen growing on hornbeam, ash, elm or beech.

In Europe and Asia, chaga has been used for centuries to treat cancers of the heart and liver, digestive ailments, and tuberculosis. [121]

The traditional use was to peel the black skin of the mushroom and then boil it into a tea. Being a compact and easily portable medicinal made it very valuable to healers throughout history.

Today's scientific focus on chaga extract is primarily as an anti-tumor remedy. In fact, it was approved in Russia as a cancer drug already in 1955, successfully used to treat cancers of the stomach, lungs, breasts and cervix. [122]

A modern study conducted in 1998 showed that chaga extract does indeed inhibit the growth of cervical cancer cells under laboratory conditions. [123] Another study from the mid-90's found the active compound betulin to cause growth inhibition and death of melanoma cells, also in lab. [124, 25]

Other research papers also confirm that some of the active compounds of chaga help retard the growth of cancer cells. [125, 126]

The black color of chaga is caused by betulin, a medicinally active compound that makes up 30% of the skin. [127] The lighter inside of the mushroom is rich in fungal lanostanes. So chaga tea may be more effective if made with the whole mushroom, including the skin.

The best chaga extracts are made not only from the whole mushroom fruit body but also the mycelia ("roots"), which contain more medically active protein compounds than the fruit bodies.

Other research has found chaga to possess powerful anti-viral properties. In 1996, two studies published results of inhibitory effects on both influenza virus [127] and HIV. [128] Considering the nature of viruses, the most likely scenario is that chaga works on viruses by enhancing the body's own immune system, a theory confirmed by a paper published in 2002 and another in 2005. [25, 129] The same mechanism may explain the reported anti-inflammatory effect of chaga. [130]

Furthermore, alcohol extract of chaga mushroom has been found to lower blood sugar levels. [131] Chaga also demonstrates significant antioxidant properties that help protect the genetic integrity of the cells. [132, 133]

As an interesting aside unrelated to human health, a Quebec arborist uses a chaga poultice to cure chestnut blight. The trees later even become immune to the blight and resistant to future infections. [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. Always consult a licensed medical practitioner before using any herb (or mushroom) for medicinal purposes.

Credit: Thank you to Paul Stamets for source material.

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