A Comparison of the Immunostimulatory Effects of Polysaccharides from Tetraploid and Diploid Echinacea purpurea

Table 2

Effects of tetraploid and diploid E. purpurea on the proliferation of spleen lymphocytes in mice. indicates stimulation index of lymphocyte proliferation (SI = Group A567/ConA A567).

Groups	0.0039	0.0078	0.0156	0.0312	0.0625	0.1250	0.2500	0.5000
CPEA567
SI
CPE4 A567
SI
ConA

a–d: data within a column without the same superscripts differ significantly.