Dietary fiber intake of urban and rural residents in Zhejiang province

Objective To estimate the dietary fiber intake and the food soures of fiber among the residents in urban and rural areas of Zhejiang province.Methods The dietary data were collected with 24 hours recall and food weight method.Totally 9 798 residents aged more than two years were asked to complete an estimated dietary record of an individual for 3 consecutive days.Results The insoluble dietary fiber(IDF) intake per man was 10.12g/d,and the figures in urban area and rural area were 11.23g/d and 9.0g/d.The IDF intake of the males was higher than that of the females and that of the urban residents were higher than rural residents.The intake had an ascending trend with the age before adulthood,but declined in the old.The average individual daily fibre intake was 10.58,9.64,and 8.94 grams for the residents in plain,mountainous,and island area,respectively,with significant difference among the young and middle-age residents in different areas (P<0.05).The major food sources of IDF were vegetables,cereals,legumes,condiments,fungus and algae,and fruits,which accounted for 33.89%,25.56%,13.90%,8.18%,and 7.57% of total intake,respectively.Conclusion The intake of IDF is generally inadequate among the residents in Zhejiang province,especially for the residents in rural and island area.