Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Determination of inhibition zones against P. acnes using the paper disc diffusion method on agar plates. The treated concentrations were 1 mg/mL (1), 3 mg/mL (2), and 5 mg/mL (3) of the S. officinalis L. root (SOR) CWE, HWE, ME, and their derived ethyl acetate fractions (CWE-EA, HWE-EA, and ME-EA). The negative control (C) in each sample is DMSO.
