EPN and SEPN evidently enlarged the thymus and splenic index in FM?1-infected mice,promoted lymphocyte proliferation and killing activity of NK cells.

• EPN和SEPN均能不同程度地提高染毒小鼠的胸腺指数和脾脏指数,显著地促进小鼠淋巴细胞的增值反应,提升小鼠NK细胞的杀伤活性。