The activity of SOD(u/g Fresh Weight)in fresh tea pollen,commercial tea pollen,bee bread and fresh bean pollen was 156.3,101.2,118 and 31.6 The SOD isozyme in these samples was isolated and intravital stained.

• 测定新鲜茶花花粉、商品茶花花粉、蜂粮和新鲜蚕豆花粉中SOD活性（u/g鲜重）分别为156.；3、101