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Reference Daily Intake
About: Reference Daily Intake is a research topic. Over the lifetime, 1564 publications have been published within this topic receiving 52794 citations.
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TL;DR: Daily and weekly variations of the vitamin B6 and protein content in milk of individuals were small, however, marked diurnal variations in theitamin B6 content were found in Milk of individuals taking daily supplements of theitamin with peak levels occurring in the afternoon 3 to 5 hr after supplements were taken in the morning.
56 citations
TL;DR: High intake of sugar remains an important nutritional problem in children of many European countries and interventions aiming to prevent this diet pattern may optimize their impact by targeting dietary habits on Fridays and weekends.
Abstract: OBJECTIVES: To compare the intake of total sugars, foods and drinks rich in added sugar, and energy in children on weekdays (Monday Thursday), Fridays and weekends.METHODS: Dietary intake (g, kJ, e ...
56 citations
TL;DR: Estimates of daily per capita vitamin A intake expressed in RE in Africa, South America, and Asia are reduced from 895, 599, and 667, respectively, to 371, 372, and 258, respectively.
Abstract: When the intake of foods or pharmaceutical preparations containing sufficient nutrients of adequate bioavailability are consumed, nutrient requirements are met and optimal nutritional status is maintained. Recent studies have shown that the basis for describing vitamin A activity of carotenoids overestimates the bioavailability of provitamin A carotenoids and their bioconversion to retinol (vitamin A). It is therefore proposed that instead of 6 pg from a mixed diet, 21 μg β-carotene are required to provide 1 μg of retinol or 1 RE (retinol equivalent) of vitamin A. Based on this assumption and on data from food balance sheets, estimates of daily per capita vitamin A intake expressed in RE in Africa, South America, and Asia are reduced from 895, 599, and 667, respectively, to 371, 372, and 258, respectively. Such intakes are well below the recommended daily intake of 600 RE for adult males. A new combination of approaches will therefore have to be used to combat vitamin A deficiency rather than that used up until now.
56 citations
TL;DR: Among adolescents at risk for hypertension, BP was lower in those with higher intakes of a combination of nutrients, including potassium, calcium, magnesium, and vitamins, which could contribute to primary prevention of hypertension when instituted at an early age.
Abstract: Objective: To determine if blood pressure (BP) level is associated with dietary micronutrients in adolescents at risk for hypertension. Design: Adolescents aged 14 to 16 years, with BP higher than the 90th percentile on 2 separate measurements in a school setting, had diet assessments. A 24-hour intake recall was obtained on 180 students (108 boys and 72 girls). Folic acid intake was used as an index of fruit, vegetable, and whole grain intake; the high folate group had a folate intake greater than the recommended daily allowance and the low folate group had a folate intake less than the recommended daily allowance. Data were analyzed by 2-way analysis of variance. Results: Mean diastolic BP was significantly higher in the low folate vs the high folate group (boys: 72 vs 67 mm Hg; girls: 76 vs 73 mm Hg; P=.008). The difference in systolic blood pressure was not significant. There was no difference in body mass index between the diet groups. Sodium intake per 4184 kJ was not different. The low folate group had significantly lower intakes per 4184 kJ of potassium (P=.002), calcium (P=.001), magnesium (P,.001), and total intake of beta carotene, cholecalciferol, vitamin E, and all B vitamins. Conclusions: Among adolescents at risk for hypertension, BP was lower in those with higher intakes of a combination of nutrients, including potassium, calcium, magnesium, and vitamins. Dietary benefits on BP observed on diets rich in a combination of nutrients derived from fruits, vegetables, and low-fat dairy products could contribute to primary prevention of hypertension when instituted at an early age. Arch Pediatr Adolesc Med. 2000;154:918-922
56 citations