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Title: Differential effects of monounsaturated and polyunsaturated fats on satiety and gut hormone responses in healthy subjects
Authors: Sun, Lijuan
Goh, Hui Jen
Govindharajulu, Priya
Leow, Melvin Khee-Shing
Henry, Christiani Jeyakumar
Keywords: Science::Medicine
Issue Date: 2019
Source: Sun, L., Goh, H. J., Govindharajulu, P., Leow, M. K.-S., & Henry, C. J. (2020). Differential effects of monounsaturated and polyunsaturated fats on satiety and gut hormone responses in healthy subjects. Foods, 8(12), 634-. doi:10.3390/foods8120634
Journal: Foods 
Abstract: The difference between fat saturation on postprandial hormone responses and acute appetite control is not well understood. The aim of this study was to compare the postprandial ghrelin, gastric inhibitory polypeptide (GIP) and glucagon-like peptide-1 (GLP1) response and subjective appetite responses after isoenergetic high-fat meals rich in either monounsaturated (MUFAs) or polyunsaturated fatty acids (PUFAs) in healthy Chinese males. A randomized, controlled, single-blinded crossover study was conducted in 13 healthy Chinese men. Two high-fat meals (64% of energy) rich in MUFAs or PUFAs were tested. Total ghrelin, GIP and active GLP1 and visual analog scale (VAS) were measured over 4 h. Ghrelin was reduced greater after MUFA compared to PUFA at the beginning of the meal (at 30 and 60 min) and was significantly negatively correlated with subjective VAS for preoccupation for both MUFA and PUFA meals. No significant difference for ghrelin 240 min incremental area under the curve (iAUCs) were found. MUFA induced higher GIP response than PUFA. GIP was associated with all the VAS measurements except preoccupation for MUFA meal. No difference was found for GLP1 between two meals, nor was GLP1 associated with VAS. In conclusion, the results demonstrate that ghrelin, GIP and VAS respond differently to MUFA and PUFA meals. Ghrelin and GIP, but not GLP1, were associated with acute appetite control, especially after MUFA meal.
ISSN: 2304-8158
DOI: 10.3390/foods8120634
Schools: Lee Kong Chian School of Medicine (LKCMedicine) 
Organisations: Clinical Nutrition Research Centre, A*STAR
Singapore Institute for Clinical Sciences, A*STAR
Rights: © 2019 The Authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:LKCMedicine Journal Articles

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