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Cholesterol-lowering effects of P. frutescens (L.) Britt. leaf extract from different regions in China and Republic of Korea (a); P. frutescens (L.) Britt. leaf extract using different concentrations of ethanol (b) (control used 50% DMSO; samples were 10 μg/mL in 50% DMSO); and luteolin 7-glucuronide (L7g) (c). Bars with different letters show significant differences between groups (p < 0.05) determined with the analysis of variance and Dunnett’s multiple comparison test.
