Optimasi Waktu Produksi Metabolite Sekunder Aktinomisetes Asal Arboretum Univ…

Escherichia coli is a bacterium that causes diarrhea and Salmonella typhi is a bacterium that causes salmonellosis, causing typhoid fever. The aim of this research is to determine the optimal time for actinomycetes arboretum riau university to inhibit growth of Escherichia coli and Salmonella thyphi that will bring disease inside digestive tract. This research is done by adopting paper disc…