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Table 1 Composition of MST.

From: Small-scale analysis of exopolysaccharides from Streptococcus thermophilus grown in a semi-defined medium

Component Amount per litre*
Lactose 50 g
K2HPO4 2.5 g (5.0 without pH control)
KH2PO4 2.5 g (5.0 without pH control)
Casamino Acids (Difco) 5 g
MgSO4* 7H2O 0.25 g
L-Alanine 0.06 g
L-Serine 0.20 g
L-Tryptophan 0.03 g
L-Aspargine 0.20 g
L-Cysteine 0.17 g
Reduced glutathione 0.01 g
Uracil 0.06 g
Adenine 0.03 g
Guanine 0.03 g
Biotin 0.1 mg
Pyridoxal-HCl 2.1 mg
Folic acid 0.1 mg
Riboflavin 1.0 mg
Nicotinic acid 1.0 mg
Thiamine-HCl 1.0 mg
Ca-Pantothenate 0.95 mg
p-Aminobenzioic acid 0.1 mg
MnCl2* 2H2O 0.1 mg
CoCl2* 6H2O 0.03 mg
CuSO4* 5H2O 0.03 mg
Na2MoO4* H2O 0.04 mg
CaCl2* 2H2O 0.45 mg
FeSO4* 7H2O 0.3 mg
H3BO3 0.1 mg
KI 0.01 mg
  1. * The values have not been corrected for the composition of casamino acids, but only represents the amounts added of the individual ingredients.