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.
Hydroxyl radical, DPPH free radical, ABTS free radical and superoxide anion free radical scavenging rates of Malus doumeri leaf extract (MDLE). a−cLowercase letters are used to indicate significant differences at the P < 0.05 level. The same letter group indicates no difference, and the letter difference group indicates difference.
