Consumption of whole-grain cereals during weight loss: effects on dietary quality, dietary fiber, magnesium, vitamin B-6, and obesity
Melanson KJ, Angelopoulos TJ, Nguyen VT, Martini M, Zukley L, Lowndes J, Dube TJ, Fiutem JJ, Yount BW, Rippe JM
Journal of the American Dietetic Association · 53 citas
Etiquetas de revisión
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Cómo se estudió
- Diseño
- Ensayo controlado aleatorizado (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
- Consumo medido con
- Diarios o recordatorios de alimentación
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 2006-09-01 · J Am Diet Assoc · vol. 106 · número 9 · págs. 1380–1388
- Editorial
- Elsevier BV
- Citado
- 99 citas · más que el 94% de estudios similares · 4.6× el promedio de su campo
- Impacto
- Entre el 10 % más citado de su campo
- Referencias
- 66 trabajos
- Acceso
- Acceso abierto (copia en repositorio) · CC-BY
- Áreas de investigación
- Food composition and properties · Nutritional Studies and Diet · Nutrition, Health and Food Behavior
- Palabras clave
- whole grain cereals, weight loss, obesity, overweight, hypocaloric diet, dietary fiber, magnesium, vitamin B6, calcium, vitamin E, micronutrient intake, physical activity, diet quality, saturated fat, energy intake, weight management interventions, nutrition counseling, food diary, micronutrient inadequacy, dietary fat reduction, dietary vitamin E
- MeSH
- humans, vitamin b deficiency, obesity, weight loss, magnesium, vitamin b complex, vitamin b 6, body mass index, treatment outcome, combined modality therapy, exercise, diet, reducing, diet, analysis of variance, pilot projects, nutritional requirements, nutritive value, dietary fiber, adult, diet records, female, male, edible grain
10 autores
- Kathleen J. Melanson🇺🇸University of Rhode Island
- Theodore J. Angelopoulos
- Von T. Nguyen
- Margaret C. Martini
- Linda M. Zukley
- Joshua Lowndes
- Thomas J. Dube
- Justin J. Fiutem
- Byron W. Yount
- James M. Rippe · autor de correspondencia
Resumen
El texto original del estudio, en el idioma en que se publicó.
Objective
While various weight-management approaches produce weight loss, they may differ in dietary quality. We monitored changes in nutrient intakes in overweight and obese subjects on three different weight-management programs.
Design
Randomized clinical trial (pilot study) with two 12-week phases: phase 1, weekly counseling; phase 2, monitoring only.
Subjects/setting
One hundred eighty nonsmoking, sedentary overweight and obese adults began this outpatient study; 134 (body mass index [calculated as kg/m(2)]=30.9+/-2.4; age=42.3+/-1.2 years) were used in analyses.
Intervention
Twenty-four weeks of exercise only (control group), hypocaloric diet plus exercise, or hypocaloric diet with fiber-rich whole-grain cereals plus exercise.
Main outcome measures
At weeks 0, 12, and 24, diet quality was assessed by 3-day food records and body weight was measured.
Statistical analyses performed
Three-way analysis of variance with repeated measures.
Results
The hypocaloric diet with fiber-rich whole-grain cereals plus exercise decreased energy intake more than exercise only (P=0.032). By week 12, the hypocaloric diet with fiber-rich whole-grain cereals plus exercise and the hypocaloric diet plus exercise decreased total fat more than exercise only, which was sustained in the hypocaloric diet with fiber-rich whole-grain cereals plus exercise at 24 weeks (P<0.001). At weeks 12 and 24, the hypocaloric diet with fiber-rich whole-grain cereals plus exercise reduced saturated fat intake more than exercise only. The hypocaloric diet with fiber-rich whole-grain cereals plus exercise increased total fiber, insoluble fiber (both P<0.001), magnesium (P=0.004), and vitamin B-6 (P=0.002) intakes more than the hypocaloric diet plus exercise and exercise only. Calcium and vitamin E intakes were inadequate in all groups. Weight loss was similar in the hypocaloric diet with fiber-rich whole-grain cereals plus exercise and the hypocaloric diet plus exercise.
Conclusions
Weight-reduction strategies may be associated with reduced intake of micronutrients, such as calcium and vitamin E. However, a hypocaloric diet with fiber-rich whole-grain cereal is effective for improving or maintaining other aspects of dietary quality during weight loss.
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