Medicinal Mushroom Alcohol Extract vs. Hot Water Extract
Friday, November 13th, 2009 Subscribe To Our Feed
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.
All species of medicinal mushrooms appear haunted by this issue. Particularly so, it seems, is red reishi (Ganoderma lucidum), the oldest medicinal mushroom in Traditional Chinese Medicine. Please note, however, that the information in this article applies generally to all medicinal mushroom species.
The first and perhaps obvious caution is to stay away from cheap mass-produced brands of medicinal mushrooms that may only contain dried and pulverized mushrooms, in which case the medicinal compounds are still inaccessible behind the mushrooms’ cell walls.
There are many real therapeutic brands on the market, though. But even among them, there are significant differences. They all claim to be the best, naturally, because they all want to sell their particular brand. So let’s sift the data, get the facts straight, and clear up misleading information that is out there.
Following are the three primary ways of creating reishi extracts. Each method yields different medicinal compounds, all of which are shown in scientific studies to have important properties.
1. Hot Water Extraction (polysaccharides, etc.)
2. Alcohol Extraction (triterpenoids, etc.)
3. Fermentation (arabinoxylanes, etc.)
Polysaccharides have been shown to possess powerful anti-tumor qualities through enhancing the immune system and by inhibiting blood profusion through tumors. They are also 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]
And then there are the new and unique medicinal compounds that get created when reishi is fermented. These “secondary metabolites” have their own therapeutic properties, different from the first two groups, including anti-tumor, immune support and blood-sugar balance. [2]
This article is intended to give general guidelines to help you choose an effective reishi product, not to recommend any particular brand. But there are at least two reishi companies on the market which both state only hot water extract is useful while alcohol extracts are of no value.
Of course they do that to promote their own brand. In reality both hot water extract and alcohol extract contain unique medicinal compounds that are all very important.
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.
Last but not least, remember to look at the form the reishi comes in. If the reishi is able to dissolve completely in water-based drinks like coffee, it’s a safe bet that it only contains the water-soluble polysaccharides. An excellent choice as far as coffee goes but an incomplete reishi supplement because it does not include the anti-inflammatory triterpenoid compounds.
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.
Dr. Rafael has worked with natural health since the’90’s, recently specializing in medicinal mushrooms. He partners with Cordyceps Reishi Extracts, LLC on premium reishi extract and cordyceps extract plus the newly popular mesima and many more.
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