Eastern Equatoria State Ministry of Commerce official cautions communities against selling and buying cooking oil or other drinks in reused containers.
Lukoya Patrick says the reused bottles of water or soda may be collected from garbage, Radio Emmanuel reports.
He fears that the use of such recycled containers puts consumers at risk.
Another official, Stephen Ihude Oduho, says government must check goods entering South Sudan to avoid consumption of expired products.
A trader in Torit, Mary Jua, blames the government for allowing expired goods through the borders into the country.
Traders and government officials were discussing the quality of goods consumed in the state.