Figure 5.
Extraction yields of ursolic (UA), oleanolic (OA) and betulinic (BA) acids, using different ratios of biomass/solvent at 90 °C.
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.