搜索结果: 1-13 共查到“营养学 Methods”相关记录13条 . 查询时间(0.159 秒)
Validation of a self-administered food-frequency questionnaire administered in the European Prospective Investigation into Cancer and Nutrition (EPIC) Study: comparison of energy, protein, and macronutrient intakes estimated with the doubly labeled water, urinary nitrogen, and repeated 24-h dietary recall methods
Validity biomarkers energy expenditure
2016/6/1
The validation of dietary assessment instruments is
critical in the evaluation of diet as a chronic disease risk factor.
Determination of skeletal muscle and fat-free mass by nuclear and dual-energy X-ray absorptiometry methods in men and women aged 51–84 y
bioimpedance analysis aging anthropometry
2016/6/1
Skeletal muscle mass (SMM) and fat-free mass
(FFM) are important variables in nutritional studies. Accurate
techniques for measuring these variables have not been thoroughly
validated in elderly su...
Body-composition changes with diet and exercise in obese women: a comparison of estimates from clinical methods and a 4-component model
weight loss body composition exercise
2016/5/31
Most methods available to clinicians for estimating
body-composition changes have been validated against estimates
from densitometry, based on a 2-component (fat mass and
fat-free mass) model.
Comparison of stable-isotope-tracer methods for the determination of magnesium absorption in humans
double-labeling methods dysprosium Magnesium absorption
2016/12/30
The double-labeling (DL) method for determining magnesium absorption is less cumbersome than is the fecal monitoring method, which has been used most often, but it has not been validated.
Relative efficacy of differential methods of dietary advice: a systematic review
Dietitian dietary advice cholesterol
2016/12/30
The objective was to assess the effects of dietary advice given by dietitians compared with advice from other health professionals, or self-help resources, in reducing blood cholesterol in adults.
Bioelectrical impedance measurements in patients with gastrointestinal disease: validation of the spectrum approach and a comparison of different methods for screening for nutritional depletion
Patients gastrointestinal disease depletion
2017/1/4
BIS measures of body fluids are influenced by the presence of depletion, probably because of alterations in the electric properties of the body at the cellular level. However, for screening purposes, ...
Comparative measurements of total body water in healthy volunteers by online breath deuterium measurement and other near-subject methods
Total body water deuterium isotope dilution flowing afterglow–mass spectrometry bioelectrical impedance analysis breath test noninvasive measurement
2016/12/20
Background: We developed a new near-subject approach, using flowing afterglow–mass spectrometry (FA-MS) and deuterium dilution, which enables the immediate measurement of total body water (TBW) f...
Multicomponent methods:evaluation of new and traditional soft tissue mineral models by in vivo neutron activation analysis
Extracellular water intracellular water body composition multicomponent methods neutron activation analysis soft tissue mineral AIDS
2016/12/19
Background: Practical and accurate methods for quantifying the soft tissue mineral component of multicomponent fat-estimation models are needed.Objectives: The aims were to develop a new com...
Prediction of body fat in 12-y-old African American and white children:evaluation of methods
Dual-energy X-ray absorptiometry bioelectrical impedance analysis skinfold thickness densitometry isotope dilution 4-compartment models body fat children whites African Americans
2016/12/19
Background: The prevalence of obesity is increasing in children. Validation of methods of predicting fatness in African American and white children could help to identify children at high risk.Ob...
Validation of energy intake measurements determined from observer-recorded food records and recall methods compared with the doubly labeled water method in overweight and obese individuals
Obesity energy intake doubly labeled water method energy balance energy expenditure food records
2016/12/17
Background: Measurements of dietary intake in obese and overweight populations are often inaccurate because food intakes are underestimated.Objective: The purpose of this study was to evalua...
Psychological measures of eating behavior and the accuracy of 3 common dietary assessment methods in healthy postmenopausal women
Energy intake total energy expenditure, psychological measures weighed diet record 24-h dietary recall food-frequency questionnaire
2016/6/3
Background: Factors affecting the accuracy of reported energy
intake (rEI) need to be identified.
Objective: Our objective was to investigate the association of
psychological measures of eating beh...
Comparison of estimates of zinc absorption in humans by using 4 stable isotopic tracer methods and compartmental analysis
Zinc stable isotopes zinc absorption, compartmental modeling stable isotopic tracer methods mass balance fecal monitoring deconvolution analysis
2016/6/3
Background: Adjustment of gastrointestinal absorption is the
primary means of maintaining zinc homeostasis; however, a precise,
accurate method for measuring zinc absorption in humans
has not been ...
Behavioral methods used in the study of long-chain polyunsaturated fatty acid nutrition in primate infants1
Infant behavior sensory function essential fatty acids docosahexaenoic acid
2016/6/3
Domains of behavior may be broadly categorized
as sensory, motor, motivational and arousal, cognitive, and
social. Differences in these domains occur because of changes
in brain structure and funct...