【摘要】 近年我国结直肠癌(CRC)发病率呈快速升高趋势,饮食结构在其发病中的作用备受关注。本文阐述膳食纤维与CRC的发病关系。资料显示,近90%的CRC可通过合理的饮食加以预防,坚持高纤维膳食(10~35 g/d)人群的CRC发病风险下降10%~17%,各种食物的纤维均有预防作用。目前国人膳食纤维摄入量低于推荐量,调整饮食结构,推广粗粮,多吃蔬果,在传统食品中添加纤维是预防CRC的有效措施。更多还原

【Abstract】 The incidence of colorectal cancer( CRC) increases rapidly in recent years. The role of dietary structure in CRC pathogenesis has caught much attention. This review summarizes the relationship between dietary fiber intake and risk of CRC. Accumulating evidence reveals that up to 90% CRC can be prevented by improvement of dietary structure,and high fiber intake( 10-35 g / d) decreases 10%-17% of risk of CRC. All kinds of dietary fiber have preventive effect. So far,dietary fiber intake in Chinese people does not reach the recommended level. Optimization of dietary structure,increase intake of whole grains,vegetable and fruit,addition of fiber to daily food are effective approaches for prevention of CRC.更多还原