Serat makanan dan peranannya bagi kesehatan
Kusharto, Clara M.
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A study of fiber used epidemiological approach proved that in industrial countries occurence of a western diseases were closely related to low fiber diet. The ideal intake of dietary fiber should be considered to produce weight of faeces equivalent to 140 - 150 g/day and a transit time less than 3 days, however others were stated that a variety of body response may also be considered in order to enhance a dietary fiber intake, since each component of dietary fiber gives a difference physiological effect in the body. Daily requirement intake of fiber is 25 - 30 glmanlday. Widyakarya (2004) stated that RDA of dietary fiber for adult and adolescence is 19 - 30 glcap Iday, and for children 10 - 14 gl 1000 kcal. A diet contained high fiber has a positive effect to health. However, a further study is still needed with regards to antagonistic role if it is over consumed. Fiber has a unique roles as a component of prebiotic, which is useful for growth of intestinal microflora, and probiotic microflora.