منابع مشابه
Vitamin K: food composition and dietary intakes
Vitamin K is present in the diet in the forms of phylloquinone and menaquinones. Phylloquinone, which is the major dietary source, is concentrated in leafy plants and is the vitamin K form best characterized in terms of food composition and dietary intakes. In contrast, menaquinones are the product of bacterial production or conversion from dietary phylloquinone. Food composition databases are ...
متن کاملEnergy intakes of US children and adults by food purchase location and by specific food source
BACKGROUND To our knowledge, no studies have examined energy intakes by food purchase location and food source using a representative sample of US children, adolescents and adults. Evaluations of purchase location and food sources of energy may inform public health policy. METHODS Analyses were based on the first day of 24-hour recall for 22,852 persons in the 2003-4, 2005-6, and 2007-8 Natio...
متن کاملAssessment of Dietary Intakes and Food habits in Female Adolescents with Eating Disorders
Background and Objectives: Eating disorders are psychological syndromes which characterized by abnormal or disturbed food habits resulted from intense fear of obesity and may include negative effects on people physical or mental health. This cross sectional study was carried out to assess dietary intakes and food habits in female adolescents with eating disorders in Tehran, Iran. Materials and...
متن کاملO-2: Food Group Intakes and Risk of Idiopathic Asthenozoospermia: A Case-Control Study
Background: Asthenozoospermia, a disorder of sperm motility, is a common cause of human male infertility and is found to play a role in approximately 19% of infertile patients. Epidemiological studies indicated a link between environmental pollutants, lifestyle changes, and dietary habits and infertility. In view of the fact that nutrition is coming to the fore as a major environmental factor, ...
متن کاملRelative Validity and Reproducibility of a Food-Frequency Questionnaire for Estimating Food Intakes among Flemish Preschoolers
The aims of this study were to assess the relative validity and reproducibility of a semi-quantitative food-frequency questionnaire (FFQ) applied in a large region-wide survey among 2.5-6.5 year-old children for estimating food group intakes. Parents/guardians were used as a proxy. Estimated diet records (3d) were used as reference method and reproducibility was measured by repeated FFQ adminis...
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ژورنال
عنوان ژورنال: BMJ
سال: 1937
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.2.3997.311