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The effect of the 90% ethanol extract of the five most biologically active Streptomyces isolates (Act 2, Act 12, Act 15, Act 19 and Act 21) on cyclooxygenase (COX-2) and lipoxygenase (LOX) activity. Data are represented by the means of at least 3 replicates and error bars represent standard deviations. Different letters above the bars indicate significant differences (p < 0.05, Tuckey test).
