Nutrition
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Randomized Controlled Trial Clinical Trial
Glycerophosphocholine enhances growth hormone secretion and fat oxidation in young adults.
α-Glycerophosphocholine (GPC) is a putative acetylcholine precursor that potentially increases growth hormone secretion through the action of acetylcholine-stimulated catecholamine. The aim of this study was to investigate acute physiologic responses to a single intake of GPC. ⋯ These findings suggest that a single dose of GPC increases growth hormone secretion and hepatic fat oxidation, with concomitant increases in choline levels, in young adults.
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Randomized Controlled Trial Comparative Study Clinical Trial
Digestive and physiologic effects of a wheat bran extract, arabino-xylan-oligosaccharide, in breakfast cereal.
We assessed whether a wheat bran extract containing arabino-xylan-oligosaccharide (AXOS) elicited a prebiotic effect and influenced other physiologic parameters when consumed in ready-to-eat cereal at two dose levels. ⋯ These results indicate that AXOS has prebiotic properties, selectively increasing fecal bifidobacteria, and increases postprandial ferulic acid concentrations in a dose-dependent manner in healthy men and women.
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To examine the prevalence of undernutrition in community-dwelling older individuals (≥65 y) using data from various settings. ⋯ The prevalence of undernutrition in Dutch community-dwelling older individuals was relatively high, especially in home care patients.
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The aim of this study was to assess the nutritional zinc (Zn) status of elite swimmers during different training periods. ⋯ The results suggest that the elite swimmers studied presented a possible Zn deficiency and that salivary Zn was not adequate to evaluate the Zn nutritional status.