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.
Response surface and contour plots of antioxidant activity showing (a) the effect of pressure and temperature at constant 75% ethanol concentration; (b) the effect of pressure and ethanol content at constant temperature 50 °C; (c) the effect of temperature and ethanol content at constant pressure 20 Mpa.
