Abstract:
BACKGROUND:There is a need for objective and universally applicable biomarkers for the intake of foods believed to affect human health. OBJECTIVE:The purpose of this feeding study was to test whether plasma concentrations of carotenoids could be used to distinguish recommended consumption of mixed fruits and vegetables (five a day) from the current national intake of fruits and vegetables (two a day). DESIGN:A strict crossover design was chosen to correct for observed interindividual variations in carotenoid response. A total of 40 healthy subjects were included in the study. After 1 week run-in period with no fruits and vegetables in the diet, one group was given two portions (300 g) of fruits and vegetables daily, while another group was given five portions (750 g) for 14 days. Following a 2 week wash-out period and 1 week run-in, the regimens were switched between the groups. Fruits and vegetables were combined to match a typical Norwegian diet. RESULTS:Enhanced intake from two to five portions of mixed fruits and vegetables increased plasma concentrations of alpha-carotene (P=0.033) and lutein (P=0.051) in a crossover analysis. Analysis of data in the parallel part of the study revealed differences between the high and low intake for plasma concentrations of alpha-carotene (P=0.013) and beta-carotene (P=0.016). A trend was also evident for plasma concentrations of lycopene (P=0.057) and lutein (P=0.076) in the parallel analysis. No effect of high vs low intake of fruits and vegetables was observed for plasma concentrations of beta-cryptoxanthin, zeaxanthin, cholesterol and triacylglycerols. CONCLUSION:The study indicates that plasma concentration of alpha-carotene, beta-carotene and lutein may be used to assess changes of fruit and vegetable intake corresponding to an increase from the present national intake in Norway to the recommended amount of five portions of fruits and vegetables daily. SPONSORSHIP:Norwegian Research Council, National Nutrition Council, Throne Holst Foundation for Nutrition Research and Freia Chokoladefabriks Medisinske Fond.
journal_name
Eur J Clin Nutrjournal_title
European journal of clinical nutritionauthors
Brevik A,Andersen LF,Karlsen A,Trygg KU,Blomhoff R,Drevon CAdoi
10.1038/sj.ejcn.1601945subject
Has Abstractpub_date
2004-08-01 00:00:00pages
1166-73issue
8eissn
0954-3007issn
1476-5640pii
1601945journal_volume
58pub_type
临床试验,杂志文章,随机对照试验abstract:BACKGROUND/OBJECTIVES:Previous research has shown, in predominantly European populations, that dietary patterns are evident early in life. However, little is known about early-life dietary patterns in Australian children. We aimed to describe dietary patterns of Australian toddlers and their associations with socio-dem...
journal_title:European journal of clinical nutrition
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1038/ejcn.2013.23
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abstract:OBJECTIVE:To investigate the separate and combined effect of wine-drinking and other alcoholic beverages on esophageal cancer, in a high wine-consuming population. DESIGN:Combined analysis of two hospital-based case-control studies. SETTING:Major teaching and general hospitals in the greater Milan area and in the pro...
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journal_title:European journal of clinical nutrition
pub_type: 临床试验,杂志文章
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abstract:BACKGROUND/OBJECTIVES:'Slowly digestible' carbohydrates have been claimed to reduce appetite through their effects on postprandial glucose and insulin levels, but literature is inconsistent. The inconsistencies between studies might be explained by factors other than glycemic effects per se, for example, nutritional or...
journal_title:European journal of clinical nutrition
pub_type: 杂志文章,随机对照试验
doi:10.1038/ejcn.2010.189
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abstract:BACKGROUND/OBJECTIVES:The overall objective of the European Food Consumption Validation (EFCOVAL) Project was to further develop and validate a trans-European food consumption method to be used for the evaluation of the intake of foods, nutrients and potentially hazardous chemicals within the European population. SUBJ...
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journal_title:European journal of clinical nutrition
pub_type: 杂志文章,随机对照试验
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journal_title:European journal of clinical nutrition
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pub_type: 杂志文章
doi:
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abstract::Diet may both increase and decrease oxidative stress in the body. We compared the effects of four strictly controlled isocaloric diets with different intakes of polyunsaturated fatty acids (PUFA, 11 or 3% of energy) and vegetables and fruit (total amount of vegetables and fruit 516 or 1059 g/10 MJ) on markers associat...
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pub_type: 临床试验,杂志文章
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journal_title:European journal of clinical nutrition
pub_type: 杂志文章
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更新日期:2016-08-01 00:00:00
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journal_title:European journal of clinical nutrition
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:European journal of clinical nutrition
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journal_title:European journal of clinical nutrition
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journal_title:European journal of clinical nutrition
pub_type: 临床试验,杂志文章,多中心研究,随机对照试验
doi:
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pub_type: 杂志文章,评审
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abstract::Serum lipid levels are considered to be one of the main risk factors for cardiovascular diseases in middle-aged men and women. The significance, however, of serum lipid metabolism as a cardiovascular disease risk factor in the elderly has yet to be clarified. This paper focuses upon the serum lipid levels of groups of...
journal_title:European journal of clinical nutrition
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更新日期:2009-02-01 00:00:00
abstract::Ingested protein is made available to the body following digestion and absorption as amino acids and contributes to the body's demand for amino acids for protein synthesis and other metabolic pathways. As the pattern of amino acids required for metabolism is substantially different from that ingested, extensive metabo...
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