There are many studies reported in the literature about
the structures of the polysaccharides from the mycelial
fermentation of Cordyceps fungal species. Using anti-oxidation activity-guided fractionation, a polysaccharide
(CSP-1) of molecular weight 210 kDa was obtained by ion-exchange and size chromatography. The isolated product
had strong anti-oxidation activity, and contained glucose,
mannose and galactose in a ratio of 1:0.6:0.75 (Li et al., 2003).
A neutral polysaccharide (CS-F30) was isolated containing
galactose, glucose and mannose (molar ratio, 62:28:10), with