The effects of water temperature on gastric motility and energy intake in healthy young men

Kyoko Fujihira, Yuka Hamada, Takuma Yanaoka, Ryo Yamamoto, Katsuhiko Suzuki, Masashi Miyashita

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Purpose: Although immediate pre-meal water ingestion has been shown to reduce energy intake in healthy young men, no studies are available regarding potential mechanisms underlying the effect of energy intake in response to different temperatures of pre-meal water ingestion. This study examined the effects of consuming different temperatures of water on gastric motility and energy intake in healthy young men. Methods: Eleven young men were completed three, 1-day trials in a random order. Subjects visited the laboratory after a 10-h overnight fast and consumed 500 mL of water at 2 °C, 37 °C, or 60 °C in 5 min. Then, subjects sat on a chair over 1 h to measure the cross-sectional gastric antral area and gastric contractions using the ultrasound imaging systems. Thereafter, subjects consumed a test meal until they felt completely full. Energy intake was calculated from the amount of food consumed. Results: Energy intake in the 2 °C (6.7 ± 1.8 MJ) trial was 19% and 26% lower than the 37 °C (7.9 ± 2.3 MJ, p = 0.039) and 60 °C (8.5 ± 3.2 MJ, p = 0.025) trials, respectively. The frequency of the gastric contractions after 1-h consuming water was lowered in the 2 °C trial than the 60 °C trial (trial-time interaction, p = 0.020). The frequency of gastric contractions was positively related to energy intake (r = 0.365, p = 0.037). Conclusions: These findings demonstrate that consuming water at 2 °C reduces energy intake and this reduction may be related to the modulation of the gastric motility.

Original languageEnglish
JournalEuropean Journal of Nutrition
DOIs
Publication statusAccepted/In press - 2019 Jan 1

Fingerprint

Energy Intake
Stomach
Temperature
Water
Meals
Eating
Ultrasonography
Food

Keywords

  • Appetite
  • Energy intake
  • Gastric motility
  • Ultrasound imaging
  • Water ingestion
  • Water temperature

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

The effects of water temperature on gastric motility and energy intake in healthy young men. / Fujihira, Kyoko; Hamada, Yuka; Yanaoka, Takuma; Yamamoto, Ryo; Suzuki, Katsuhiko; Miyashita, Masashi.

In: European Journal of Nutrition, 01.01.2019.

Research output: Contribution to journalArticle

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AU - Hamada, Yuka

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AU - Miyashita, Masashi

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AB - Purpose: Although immediate pre-meal water ingestion has been shown to reduce energy intake in healthy young men, no studies are available regarding potential mechanisms underlying the effect of energy intake in response to different temperatures of pre-meal water ingestion. This study examined the effects of consuming different temperatures of water on gastric motility and energy intake in healthy young men. Methods: Eleven young men were completed three, 1-day trials in a random order. Subjects visited the laboratory after a 10-h overnight fast and consumed 500 mL of water at 2 °C, 37 °C, or 60 °C in 5 min. Then, subjects sat on a chair over 1 h to measure the cross-sectional gastric antral area and gastric contractions using the ultrasound imaging systems. Thereafter, subjects consumed a test meal until they felt completely full. Energy intake was calculated from the amount of food consumed. Results: Energy intake in the 2 °C (6.7 ± 1.8 MJ) trial was 19% and 26% lower than the 37 °C (7.9 ± 2.3 MJ, p = 0.039) and 60 °C (8.5 ± 3.2 MJ, p = 0.025) trials, respectively. The frequency of the gastric contractions after 1-h consuming water was lowered in the 2 °C trial than the 60 °C trial (trial-time interaction, p = 0.020). The frequency of gastric contractions was positively related to energy intake (r = 0.365, p = 0.037). Conclusions: These findings demonstrate that consuming water at 2 °C reduces energy intake and this reduction may be related to the modulation of the gastric motility.

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