Ganoderma tsugae
| Ganoderma tsugae | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Polyporales |
| Family: | Ganodermataceae |
| Genus: | Ganoderma |
| Species: | G. tsugae
|
| Binomial name | |
| Ganoderma tsugae Murrill
| |
| Ganoderma tsugae | |
|---|---|
| Mycological characteristics | |
| Error creating thumbnail: | Pores on hymenium |
| File:Flat cap icon.svg | Cap is flat |
| File:Adnate gills icon2.svg | Hymenium is adnate |
| File:Bare stipe icon.svg | Stipe is bare |
| Spore print is brown | |
| File:Saprotrophic fungus.svg File:Parasitic fungus.svg | Ecology is saprotrophic or parasitic |
| File:Mycomorphbox Inedible.png | Edibility is too hard to eat |
Ganoderma tsugae, also known as hemlock varnish shelf, is a flat polypore mushroom of the genus Ganoderma.
Habitat
[edit | edit source]In contrast to Ganoderma lucidum, to which it is closely related and which it closely resembles, G. tsugae tends to grow on conifers, especially hemlocks.[1]
Uses
[edit | edit source]Like G. lucidum, G. tsugae is non-poisonous but generally considered inedible,[2] because of its solid woody nature; however, teas and extracts made from its fruiting bodies supposedly allow medicinal use of the compounds it contains, although this is controversial within the scientific community. A hot water extraction or tea can be very effective for extracting the polysaccharides; however, an alcohol or alcohol/glycerin extraction method is more effective for the triterpenoids.[3]
The fresh, soft growth of the "lip" of G. tsugae can be sautéed and prepared much like other edible mushrooms. While in this nascent stage it is not woody, it can still be tough and chewy.
Medicinal
[edit | edit source]Like G. lucidum, G. tsugae is purported to have medicinal properties including use for dressing a skin wound.[4] Though phylogenetic analysis has begun to better differentiate between many closely related species of Ganoderma;[5] there is still disagreement as to which have the most medicinal properties. Natural and artificial variations (e.g. growing conditions and preparation) can also effect the species' medicinal value.[citation needed]
Studies in mice have shown that G. tsugae shows several potential medicinal benefits including anti-tumor activity through some of the active polysaccharides found in G. tsugae.[6][7] G. tsugae has also been shown to significantly promote wound healing in mice as well as markedly increase the proliferation and migration of fibroblast cells in culture.[8]
References
[edit | edit source]
- ^ ). Retrieved June 15, 2007.
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- ^ Gary Emberger, Messiah College, Ganoderma tsugae, 2006. Retrieved June 16, 2007.
- ^ Ching-Hua Su1, et al., Taipei Medical University, Sacchachitin, a Skin Wound Dressing Material from Ganoderma tsugae Archived 2007-07-17 at the Wayback Machine, 2004. Retrieved June 16, 2007.
- ^ Soon Gyu Hong, Hack Sung Jung, Phylogenetic analysis of Ganoderma based on nearly complete mitochondrial small-subunit ribosomal DNA sequences, Mycologia July/August 2004 vol. 96 no. 4 742–55.
- ^ Mizuno T, Wang G, Zhang J et al: Reishi, Ganoderma lucidum and Ganoderma tsugae: bioactive substances and medicinal effects. Food Rev Intl 1995; 11(1):151-166
- ^ Mayuzumi I, Okamoto H & Li J: Antitumor active protein-containing glycans from the Chinese mushroom songshan lingzhi, Ganoderma tsugae mycelium. Biosci Biotechnol Biochem 1994; 58(7):1202-1205.
- ^ Su CH, Sun CS, Juan SW et al: Development of fungal mycelia as skin substitutes: effects on wound healing and fibroblast. Biomaterials 1999; 20(1):61-68.
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