Antibiotics
Vegetable oil, (corn oil or soybean oil) added in the fermentation medium for penicillin, act as

source of nutrients
both (a) and (c)
antifoam agent
carbon source

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Antibiotics
Media composition for the production of streptomycin is

soybean meal, glucose, peptone, malt extract, calcium carbonate
soybean meal, glucose, peptone, malt extract, ammonium chloride
soybean meal, glucose, peptone, malt extract, sodium chloride
soybean meal, glucose, peptone, malt extract, ammonium sulphate

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