Studies On Chemical Constitutes of Phellinus igniarius Study on anti-tumor effect of medicinal fungi Phellinus igniariusextracts Study on the Separation of Phellinus Igniarius Protoplast Liquid fermentation of Phellinus igniarius for production of polysaccharide Liquid fermentation of Phellinus igniarius for production of polysaccharide Influence of solid fermentation of various medicinal and edible fungi on astragaloside IV in Astragali Radix Influence of diethyl sulfate (DES) mutagenesis on growth properties and pigment secondary metabolites of Phellinus igniarius Chemical constituents from Phellinus igniarius and their anti-tumor activity in vitro Separation and regeneration of protoplast from Phellinus igniarius Changes of enzyme activity during fermentative process of Phellinus igniarius Studies on constituents of cultures of fungus Phellinus igniarius