MBFTRJ21 is mainly composed of polysaccharide, which is determined by Anthrone reaction, Coomassie blue reaction and Elson-Morgan method.

• 蒽酮反应、考玛斯亮蓝、Elson Morgan反应表明 ,絮凝剂MBFTRJ2 1为粘多糖类高分子絮凝剂 ;