Skip to main content
. 2013 Sep 23;7:160. doi: 10.1186/1752-153X-7-160

Figure 2.

Figure 2

Response surface plot results on hydroxyl radical scavenging activity of polysaccharides. (a) Response surface plot of ultrasonic power and extraction time, and their mutual interactions on hydroxyl radical scavenging activity of polysaccharides. (b) Response surface plot of ultrasonic power and extraction temperature, and their mutual interactions on hydroxyl radical scavenging activity of polysaccharides. (c) Response surface plot of extraction time and extraction temperature, and their mutual interactions on hydroxyl radical scavenging activity of polysaccharides.