Supplementing chicken broth with monosodium glutamate reduces energy intake from high fat and sweet snacks in middle-aged healthy women

•Supplementing MSG and IMP to a broth enhanced savory taste•MSG and IMP enhanced broth properties of liking and pleasantness•MSG preload reduced energy intake from sweet and high-fat snacks•MSG broth reduced added sugar intake•MSG and IMP supplementation did not influence appetite ratings Monosodium...

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Veröffentlicht in:Appetite 2014-08, Vol.79, p.158-165
Hauptverfasser: Imada, Toshifumi, Hao, Susan Shuzhen, Torii, Kunio, Kimura, Eiichiro
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Sprache:eng
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Zusammenfassung:•Supplementing MSG and IMP to a broth enhanced savory taste•MSG and IMP enhanced broth properties of liking and pleasantness•MSG preload reduced energy intake from sweet and high-fat snacks•MSG broth reduced added sugar intake•MSG and IMP supplementation did not influence appetite ratings Monosodium L-glutamate (MSG) and inosine monophosphate-5 (IMP) are flavor enhancers for umami taste. However, their effects on appetite and food intake are not well-researched. The objective of the current study was to test their additions in a broth preload on subsequent appetite ratings, energy intake and food choice. Eighty-six healthy middle-aged women with normal body weight received three preload conditions on 3 test days 1 week apart – a low-energy chicken flavor broth (200 ml) as the control preload, and broths with added MSG alone (0.5 g/100 ml, MSG broth) or in combination with IMP (0.05 g/100 ml) (MSG+ broth) served as the experimental conditions. Fifteen minutes after preload administration subjects were provided an ad libitum testing meal which consisted of 16 snacks varying in taste and fat content. MSG and MSG+ enhanced savory taste and broth properties of liking and pleasantness. In comparison with control, the MSG preload resulted in less consumption of total energy, as well as energy from sweet and high-fat snacks. Furthermore, MSG broth preload reduced added sugar intake. These findings were not observed after MSG+ preload. Appetite ratings were not different across the three preloads. Results suggest a potential role of MSG addition to a low-energy broth preload in subsequent energy intake and food choice. This trial was registered at clinicaltrials.gov as NCT01761045.
ISSN:0195-6663
1095-8304
DOI:10.1016/j.appet.2014.04.011