... edodes Mycelium L.E.M. , polysaccharides are involved, but only partly. lentinula edodes mycelium enzymatically degrades the lignins in ... ., called EP3, not only activate the immune system, but also have been shown to have direct antiviral activity.Lentinan ... T lymphocytes, the generals of the immune response. More recently, investigators administered lentinan iv to rabbits before severe exposure to ...