Slow Eating Raises Response to Appetite Control Hormones

Study finds slower eating rate linked to higher anorexigenic gut peptide response
By Jane Parry
HealthDay Reporter

MONDAY, Nov. 16 (HealthDay News) -- The rate at which individuals eat a meal may affect the postprandial response of gut peptides, according to a crossover study conducted in Greece and published online Oct. 29 in the Journal of Clinical Endocrinology & Metabolism.

Alexander Kokkinos, M.D., of Athens University Medical School in Greece, and colleagues conducted a study of 17 healthy adult males who were given a 300 ml portion of ice cream on two different occasions, and who were instructed in random order to eat it either within five minutes or over a half-hour period.

When the researchers measured the postprandial response of the orexigenic hormone ghrelin and the anorexigenic peptides PYY and GLP-1, they found that there was a more pronounced response to PYY and GLP-1 when the ice cream was consumed over 30 minutes compared with five minutes. However, there was no difference in response of ghrelin. The subjects reported higher fullness ratings after eating the ice cream over 30 minutes as compared to five minutes.

"Our study demonstrates that eating the same meal over 30 minutes instead of five minutes leads to higher concentrations of anorexigenic gut peptides and favors earlier satiety," the authors conclude.

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