2-(2,4-Dihydroxyphenyl)-6-hydroxybenzofuran exhibits radical scavenging activities and inhibits mushroom tyrosinase with an IC50 value of 5.2 [micronM], acting as a competitive inhibitor.
1-Methyl-2-nonylquinolin-4(1H)-one has anti-inflammatory activity, it exhibits inhibitory activity on leukotriene biosynthesis in a bioassay using human polymorphonuclear granulocytes, with IC50 values of 12.1 microM.
Preterramide C is a fungal metabolite that has been found inA. terreus.1It is active againstS. aureus(MIC = 52.4 μM) but notE. aerogenes,P. aeruginosa, orC. albicans(MICs = >100 μM for all).2Preterramide C inhibits the growth of L5178Y mouse lymphoma cells with an IC50value of 0.1 μg/ml.3It also inhibits nitric oxide (NO) production induced by LPS in RAW 264.7 cells (IC50= 5.48 μM).