Abstract:Bitter cola (Garcinia kola) powder and its ethanolic extract were assessed for their ability to inhibit the growth of a wild strain of Saccharomyces cerevisiae isolated from a brewery environment. The iso-alpha acid contents of the G. kola powder, G. kola extract and hop extract were determined as 5.85 mg/l, 6.34 mg/l and 7.65 mg/l, respectively, showing that the iso-alpha acid contents of G.
kola extract and G. kola powder compared relatively well with that of hop extract. The antimicrobial activity of both a… Show more
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