Purification, Preliminary Characterization, and Immunological Activity of Polysaccharides from Crude Drugs of Sijunzi Formula

Figure 2

Percentages of hemolysis for different complement concentration: 1, 1 : 10; 2, 1 : 20; 3, 1 : 40; 4, 1 : 80; 5, 1 : 160; 6, 1 : 320; 7, 1 : 640 dilution.