A lectin protein(SFL) with molecular weight about 32 kD which markedly agglutinated rabbit and human red blood cells was purified from the roots of Sophora flavescens Ait.

• 自苦参 (SophoraflavescensAit.；) 块根中分离得到一种 32kD的凝集素蛋白 (SFL)；其对兔血及人的 4种血型都具有很强的凝集活性；对棉花枯萎病菌 (FusariumvasinfectumAtk