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Corney, RA, Sunderland, C 
ORCID: https://orcid.org/0000-0001-7484-1345 and James, LJ,
2015.
The effect of hydration status on appetite and energy intake.
Journal of Sports Sciences, 33 (8), pp. 761-768.
ISSN 0264-0414
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Abstract
This study investigated the effects of hydration status and fluid availability on appetite and energy intake. Sixteen males completed four 24 h trials, visiting the laboratory overnight fasted on two consecutive days. Standardised foods were provided during the 24 h and on day two an ad-libitum semi-solid porridge breakfast was provided. Water intake during the 24 h (0 or 40 mL∙kg-1) and fluid provision during the ad-libitum breakfast were manipulated so subjects were euhydrated with (EU-F) and without fluid (EU-NF) available at breakfast; and hypohydrated with (HYPO-F) and without fluid (HYPO-NF) available at breakfast. Blood samples (0 and 24 h), urine samples (0-24 h) and subjective responses (0, 24 and 24.5 h) were collected. HYPO trials decreased body mass by ~1.8%. Serum and urine osmolality increased and plasma volume decreased during HYPO trials (P<0.001). Total urine output was greater during EU than HYPO trials (P<0.001). Ad-libitum energy intake was not different between trials: 2658 (938) kJ (EU-F), 2353 (643) kJ (EU-NF), 2295 (529) kJ (HYPO-F), 2414 (954) kJ (HYPO-NF), (P=0.131). Fluid intake was ~200 mL greater during HYPO-F than EU-F (P<0.01). There was an interaction effect for thirst (P<0.001), but not hunger or fullness. These results demonstrate that mild hypohydration produced by inadequate fluid intake and fluid availability during eating does not influence ad-libitum energy intake of a semi-solid breakfast, at least in healthy young males.
| Item Type: | Journal article |
|---|---|
| Alternative Title: | Effect of hydration status and fluid availability on ad-libitum energy intake of a semi-solid breakfast |
| Publication Title: | Journal of Sports Sciences |
| Creators: | Corney, R.A., Sunderland, C. and James, L.J. |
| Publisher: | Routledge |
| Date: | 2015 |
| Volume: | 33 |
| Number: | 8 |
| ISSN: | 0264-0414 |
| Identifiers: | Number Type 10.1080/02640414.2014.962578 DOI |
| Divisions: | Schools > School of Science and Technology |
| Record created by: | Jonathan Gallacher |
| Date Added: | 07 Jan 2016 10:25 |
| Last Modified: | 09 Jun 2017 13:58 |
| URI: | https://irep.ntu.ac.uk/id/eprint/26732 |
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