The invention relates to a
phellinus igniarius
bacterial strain liquid fermenting culture medium and a method for fermenting and producing
phellinus linteus polysaccharides. The culture medium has a prescription shown as follows: 20 to 30g / L of glucose, 2 to 6g / L of
yeast powder, 1 to 3g / L of KH2PO4, 0.3 to 0.7g / L of MgSO4.7H2O, 110mg / L of VB, and 1L of water; a pH is under a natural condition; a fermenting condition is that a temperature is at 28 to 32 DEG C, a rocking speed is at 140 to 180rpm,
inoculation amount is 20 to 30%, cultivation is carried out for 9 to 11 days; the method comprises the following steps of: centrifuging, collecting fermenting liquid, washing via
distilled water, precipitating to obtain a
mycelium, then extracting
polysaccharide inside or outside cells. With the adoption of the
phellinus igniarius
bacterial strain liquid fermenting culture medium and the method for fermenting and producing the
phellinus linteus polysaccharides provided by the invention, yield of the
mycelium of
phellinus igniarius and content of the
polysaccharide inside or outside the cells can be obviously increased; moreover, yields of the
phellinus linteus polysaccharides is 6.34% higher than that of
polysaccharide extracted by a common hot water extracting method. An animal test proves that extracted
phellinus linteus polysaccharides have obvious
biological activity such as tumour resistance, oxidization resistance, and improvement of
immunity.