Antibiotics - Medical Science

Q1:

Fermentation medium for oxytetracyclin (terramycin) consist of

A CSL, starch, (NH4)2 SO4, sodium chloride and CaCO3

B CSL, (NH4)2 SO4, sodium chloride and CaCO3

C CSL, starch,(NH4)2 SO4, ammonium chloride and CaCO3

D CSL,(NH4)2 SO4, ammonium chloride and CaCO3

ANS:A - CSL, starch, (NH4)2 SO4, sodium chloride and CaCO3

Why the fermentation media contain this composition?