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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).

Dubious at best.


n See lentinan.
References in periodicals archive ?
Pull out the stalks of the shittake mushrooms and put them into a medium saucepan with the bouillon cube, garlic and cream.
The promised oyster and shittake mushrooms had been substituted for your common or garden British variety.
For strict vegans, there is a cheeseless entry - Roasted Vegetable Pizza with organic red peppers, marinated artichoke hearts, shittake mushrooms and roasted organic onions.
Julie now supplies shittake mushrooms, grown on oak sawdust, for Waitrose supermarkets in Wales and is looking forward to supplying Tesco in the near future.