shiitake

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shiitake

Herbal medicine
A mushroom that contains B vitamins, cortinelin (an antibacterial) and lentinan (­a polysaccharide complex that stimulates the immune system). Shiitake has been used as a medicinal mushroom for upper respiratory diseases, poor circulation, liver disease, exhaustion and weakness, and to boost qi/chi. It is also said to prevent premature ageing, hypertension, AIDS and the occurrence of hang nails.
  
Fringe oncology
Shiitake mushrooms have been used for cancer via proprietary extracts (e.g., PSK, Lentinan).

Efficacy
Dubious at best.
References in periodicals archive ?
Beta-glucans, differing in molecular weight, have been isolated from many diverse species like Rhynchelytrum repens, Lentinus edodes, Grifola frondosa, Tremella mesenterica, Tremella aurantia, Zea mays, Agaricus blazei (mushroom), Phellinus buammi, and Saccharomyces cerevisiae (yeast) (Rahar et al., 2011).
[26.] Wu XJ and C Hansen Antioxidant capacity, phenolic content, polysaccharide content of Lentinus edodes grown in whey permeate-based submerged culture.
Es claro que ocurrio un efecto inhibidor durante la linea de tiempo del cultivo y aunque la explicacion de este fenomeno requiere de nuevas pruebas de laboratorio, es de considerar la posibilidad de que exista una especificidad de sustrato, como ha sido demostrado de manera muy similar en Pleurotus ostreatus (Mansur et al., 2003) y Lentinus edodes (D'Annibale et ai, 1996) o de inductor de la expresion en Trametes sp.
"Solid state production of polygalacturonase by Lentinus edodes using fruit processing wastes," Process Biochemistry, Vol.35(8), pp.825-30.
The system is able to supply best environmental conditions for cultivation of a large variety of edible mushrooms (Ganoderma lucidum, Grifola frondosa, Hericium erinaceus, Lentinus edodes, Pleurotus eryngii, Pleurotus ostreatus), for better results, in the incubation / fructification room the atmosphere parameters being continuously monitored and set accordingly each variety of mushroom and cultivation phase.
* shiitake mushroom (Lentinus edodes), whose acetylene and lentinen polysaccharide compounds stimulate interferon, enhance macrophage phagocytosis, enhance T lymphocyte transformation, and activate the alternate complement pathway.
The formulation of MC-S (Clinical Health Pty Ltd, Newcastle Australia) is based upon this principle and is composed of three medicinal mushrooms, Ganaderma lucidum, Lentinus edodes (mycelia) and Coriolus versicolor, a herb Astragalus membranaceous (from the root) and ascorbic acid.
and Shetty, K (2000), Solid state production of polygalacturonase by Lentinus edodes using fruit processing wastes.