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Short-Term Effects of Ratio of Energy Nutrients on Appetite-Related Hormones in Female College Students
Clinical Nutrition Research ; : 58-65, 2012.
Artigo em Inglês | WPRIM | ID: wpr-167879
ABSTRACT
Understanding the relationship between energy nutrients compositions in a diet and appetite-controlling substances is essential for providing sound advice to anyone attempting to control body weight. Appetite is known to be affected by various hormones, ghrelin and peptide tyrosine-tyrosine (PYY), which are related to the compositions of a diet. The purpose of this study was to investigate the effects of compositions of energy nutrients in the diet on the levels of postprandial appetite-related hormones and satiety in healthy adult women. Ten subjects (BMI 18.5-22.9 kg/m2) were recruited and assigned to three iso-coloric breakfast meals with different compositions of energy nutrients, regular meal (RM, CHO 60%, Pro 20%, Fat 20%), high protein meal (HPM, CHO 30%, Pro 50%, Fat 20%), and high fat meal (HFM, CHO 30%, Pro 20%, Fat 50%). Blood levels of ghrelin, PYY, insulin and leptin and satiety were assessed at baseline, 30, 60, 90, 120, and 180 min following the consumption of each meal. There was no significant difference in the fasting blood hormones among the subjects taking each meals at baseline. Blood levels of ghrelin and insulin changed significantly following the consumption of each meal (p<0.05) over time, however no significant difference was shown between experimental meals until 180 min. Blood levels of PYY and leptin were not changed following the ingestion of each meals. In conclusion, the composition of energy nutrients in a diet had no effect on the postprandial plasma levels of ghrelin, PYY, insulin and leptin as well as satiety in healthy adult women.
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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Apetite / Plasma / Saciação / Peso Corporal / Jejum / Peptídeo YY / Leptina / Dieta / Ingestão de Alimentos / Grelina Limite: Adulto / Feminino / Humanos Idioma: Inglês Revista: Clinical Nutrition Research Ano de publicação: 2012 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Apetite / Plasma / Saciação / Peso Corporal / Jejum / Peptídeo YY / Leptina / Dieta / Ingestão de Alimentos / Grelina Limite: Adulto / Feminino / Humanos Idioma: Inglês Revista: Clinical Nutrition Research Ano de publicação: 2012 Tipo de documento: Artigo