Relationship between calculated dietary and crude fiber intakes of 200 college students. 1981

J A Marlett, and R L Bokram

Two hundred college students recorded dietary intakes for 2 consecutive days. Records were analyzed for 12 nutrients, and crude (CF) and dietary fiber (DF). Means of the 2 days were calculated to represent the daily intake of each student. The crude and dietary fiber provided by cereals and legumes, vegetables, fruits, and miscellaneous sources were determined for a subpopulation of 50 students. Mean (+/-SD) daily CF intake of the population was 4.07 +/- 2.17 g, of DF, 15.36 +/- 7.96 g. When related to energy intake, women (n = 143) consumed significantly more CF and DF than the men (n = 57). Only the cereal and legume group provided appreciably more DF than CF, 32.4 versus 18.8%, of the total daily intake of the subpopulation. The mean DF: CF ratio for the population was 3.9 +/- 1.0 and intakes of the two measures of fiber were highly correlated, r = 0.86. Intakes of CF/1000 kcal and the number of servings of cereal products may indicate when the daily DF intake is less than or equal to 3 or greater than or equal to 5 times the daily CF intake. These data suggest that for the majority of the college-aged population we studied, who consumed a wide variety of foods, a daily DF intake ranged from 3 to 5 times the daily CF intake.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D002482 Cellulose A polysaccharide with glucose units linked as in CELLOBIOSE. It is the chief constituent of plant fibers, cotton being the purest natural form of the substance. As a raw material, it forms the basis for many derivatives used in chromatography, ion exchange materials, explosives manufacturing, and pharmaceutical preparations. Alphacel,Avicel,Heweten,Polyanhydroglucuronic Acid,Rayophane,Sulfite Cellulose,alpha-Cellulose,Acid, Polyanhydroglucuronic,alpha Cellulose
D002523 Edible Grain SEEDS used as a major nutritional source, most often the grain from the POACEAE family. Cereals,Cereal Grain,Cereal,Cereal Grains,Edible Grains,Grain, Cereal,Grain, Edible,Grains, Cereal,Grains, Edible
D004032 Diet Regular course of eating and drinking adopted by a person or animal. Diets
D004043 Dietary Fiber The remnants of plant cell walls that are resistant to digestion by the alimentary enzymes of man. It comprises various polysaccharides and lignins. Fiber, Dietary,Roughage,Wheat Bran,Bran, Wheat,Brans, Wheat,Dietary Fibers,Fibers, Dietary,Roughages,Wheat Brans
D005260 Female Females
D005504 Food Analysis Measurement and evaluation of the components of substances to be taken as FOOD. Analysis, Food,Analyses, Food,Food Analyses
D005638 Fruit The fleshy or dry ripened ovary of a plant, enclosing the seed or seeds. Berries,Legume Pod,Plant Aril,Plant Capsule,Aril, Plant,Arils, Plant,Berry,Capsule, Plant,Capsules, Plant,Fruits,Legume Pods,Plant Arils,Plant Capsules,Pod, Legume,Pods, Legume
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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