Shitake mushrooms
contain lentinan, a known immune system booster and virus inhibitor.
Unique nutrients in shiitake mushrooms include glucan polysaccharides (including beta - glucans
like lentinan), terpenoid - related nutrients like copalic acid, amino acid derivatives like ergothioneine, and many other unique compounds.
It
contains lentinan, which has a general rejuvenating effect and helps reduce fatigue.
Shiitakes, for example, contain
lentinan, a nutrient that is thought to have anticancer properties.
In people with depressed immune systems,
lentinan can provide a needed increase.
Among the nutrients listed above,
lentinan and its fellow beta - glucans have received special research attention.