高纤维素类食物这类食物中主要富含纤维素及木质素等。纤维素进入胃肠道后 ,具有促进肠道蠕动、不易被吸收、涤荡肠道、加快脂肪及致癌物质排泄的作用 ;木质素可提高人体巨噬细胞吞噬癌细胞的活力。多食用这类食物可减少或防止因高脂肪饮食而引起的癌肿 ,或阻止癌症的发展。这 High-fiber foods such foods are mainly rich in cellulose and lignin. Cellulose into the gastrointestinal tract, with the promotion of intestinal peristalsis, not easily absorbed, clean the gut, speed up the role of fat and carcinogenic excretion; lignin can enhance the phagocytosis of human macrophage cancer cells. Eating more of these foods can reduce or prevent cancer caused by a high-fat diet, or prevent the development of cancer. This