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[Research progress of the status of folate nutrition of different populations].

Folate is an essential nutrient of the B complex group of vitamins, as a cofactor, involving in numerous important intracellular reactions. The role of folate in human nutrition has become increasingly important with recent researches. While the relation between folate and anemia had been substantiated long ago, the difference of the folate nutritional status among populations and regions and the application of folate to preventing and curing anemia have not been definitely stated. However, scientists have always been active in detecting the status of folate nutrition of different populations and exploring practical, effective and scientific measures to prevent anemia for half a century. The surveillance for folate nutritional status and its application to preventing or curing anemia in recent years were summarized. In this article, it is suggested that the nutritional status of folate of the people at risk should be carefully monitored and effective measures be taken promptly in our country.