Patent ID: 8557537

Claim:
A method for the production of a Staphylococcus aureus serotype T5 or T8 capsular polysaccharide, comprising: (a) culturing a Staphylococcus aureus strain that produces a serotype T5 or T8 capsular polysaccharide on a culture medium comprising per liter of culture medium: (i) 52.5 to 200 g of plant peptone or 65 to 85 g yeast extract, (ii) 0 to 82.5 g of NaCl, (iii) 0 to 15 g of a magnesium salt selected from the group consisting of MgSO 4 and MgCl 2 , and (iv) 0 to 7 g of sugar, the pH of which is within a range of values of from 6.3 to 6.7, (b) inactivating the culture thus produced, and (c) recovering the capsular polysaccharide.