Medicinal mushrooms, hugely popular for thousands of years in the Orient, are coming in vogue today also in the West. On the coattails of their increasing popularity follow issues of quality and ethical representation between competing brands.
This information applies to all species of medicinal mushrooms. For practical purposes, this article will focus on the most popular medicinal mushroom species, red reishi (Ganoderma lucidum), over which the most intense battle of conflicting claims is being fought.
First off, stay clear of cheap, mass-produced medicinal mushrooms. If they are just dried and pulverized, then the medicinal compounds are still inaccessible behind the mushrooms' cell-walls. You'll be wasting your money on inert matter.
Then there are the real therapeutic grade red reishi brands, which are produced with much more care. But even here there are big differences between brands. Each claims to be the best, of course, because they want to sell their product. So lets set the facts straight and be independently informed consumers.
There are primarily three ways to extract the medicinal compounds from red reishi. Each method pulls out different compounds, all of which have been proven by scientific research to be therapeutically important.
The water soluble compounds, primarily polysaccharides, are powerful anti-tumor agents, immune enhancers and strong antioxidants. [1]
The alcohol soluble compounds are mainly triterpenoids, a large group of related compounds. Scientific studies suggest they help stabilize cholesterol, blood pressure and clotting. Most importantly, they are the anti-inflammatory compounds so critical to many of reishi's suggested uses, including arthritis, allergies and asthma. [1]
Finally, by fermenting the red reishi, the original medicinal compounds break down to form new compounds with unique healing properties. These "secondary metabolites" have among other things been shown to be immune enhancing and help regulate blood sugar, as well as having unique anti-tumor properties. [2]
Since this article is not intended to elevate any one brand over another, no brand names will be mentioned. Nevertheless, the author does know of two highly reputed brands (American and Japanese) that claim only hot water extracted red reishi is of any value and that alcohol extracts are useless.
Naturally, the reason they say so is because they want to sell their own brand. However, those statements are scientifically untrue. Hot water and alcohol extractions both contain critical compounds.
When looking for the best reishi extract, find one that uses at least the first two extraction methods in combination: Hot Water and Alcohol Extraction. Even better may be a brand that includes all three methods listed.
An additional point to keep in mind is the form the reishi comes in. Reishi that dissolves completely in a water-based liquid such as coffee probably only contains reishi from hot water extraction. As a substitute for regular coffee, this would be a superb health-choice. However, it will not contain the water-insoluble triterpenoids so valued for their anti-inflammatory properties.
Alcohol tinctures, on the other hand, are well worth considering because they may be a blend of water and alcohol extracts. The way to tell is if the tincture is cloudy. When water-soluble polysaccharides get mixed with alcohol, they fall out of solution. Cloudiness in an alcohol tincture indicates high polysaccharide content. Just shake before taking. Tablets and capsules can contain hot water extract, alcohol extract or both. You need to find out from the manufacturer.
[1] Boh B, Berovic M, Zhang J, Zhi-Bin L. "Ganoderma lucidum and its pharmaceutically active compounds." Biotechnol Annu Rev. 2007;13:265-301.
[2] Tang YJ, Zhang W, Zhong JJ. "Performance analyses of a pH-shift and DOT-shift integrated fed-batch fermentation process for the production of ganoderic acid and Ganoderma polysaccharides by medicinal mushroom Ganoderma lucidum." Bioresource Technology 2009 Mar;100(5):1852-9.
Author Resource:
Dr. Markho Rafael has worked with natural health since the'90's, currently focusing on medicinal mushrooms. He partners with Davida Sara on red reishi extract and cordyceps extract plus the increasingly popular mesima and many more.
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