Table 3. Comparison of the costs between LSM and MRS medium for L. casei mass culture

Component	LSM		MRS
	Conc. (%)	Cost (￦)	Conc. (%)	Cost (￦)
Soytone	0.5	125,000	*Lactobacili MRS (BD DifcoTM)
Glucose	2	48,000
Casein milk	0.5	230,000
Na-acetate	0.5	15,000
Potassium phosphate	0.2	13,000
Magnesium sulfate	0.002	500
Manganese sulfate	0.05	2,000
TOTAL	433,500/ton		400,000/20L