کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5593826 1571148 2017 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Does acute or habitual protein deprivation influence liking for monosodium glutamate?
ترجمه فارسی عنوان
آیا محرومیت پروتئینی حاد یا عادی باعث نفوذ گلوتامات مونوسیدیم می شود؟
موضوعات مرتبط
علوم زیستی و بیوفناوری بیوشیمی، ژنتیک و زیست شناسی مولکولی فیزیولوژی
چکیده انگلیسی


- Protein is well regulated in the diet and can be detected by the taste system.
- Habitual protein use or acute protein deprivation may alter liking for protein-predictive tastes.
- Acute protein deprivation increases liking for umami, salty and sweet tastes.
- High protein users like high MSG doses most when in acute protein deficit.

The umami flavour generated by monosodium glutamate (MSG) has been proposed as the marker for the presence of protein in foods. As protein is the most closely regulated macronutrient in the diet, the present study addressed whether acute protein deprivation, habitual protein intake or a combination of the two influenced liking for the taste of MSG. 24 low-restraint male participants (mean age: 22; BMI: 23) consumed either their habitual breakfast (baseline), a low protein breakfast (breakfast meal with low protein milk and milkshake) or a high protein breakfast (breakfast meal with high protein milk and milkshake) on three different days, and then evaluated the acceptability of umami (MSG), salty (NaCl) or sweet (Acesulphame K) tastes at low or high concentrations in a soup context at lunchtime. Participants also completed a habitual protein intake questionnaire (39-item protein Food Frequency Questionnaire). Liking for all tastes was higher on the low than on the high protein day, and NaCl and Acesulphame K were liked less on both protein manipulation days when compared to the no added flavour control. Habitual protein intake was not related to liking for MSG stimuli alone but habitual high protein consumers rated a high concentration of MSG as more pleasant than any other taste when in protein deficit. Overall, these findings suggest that liking for high MSG concentrations may be moderated by nutritional need in high protein consumers.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physiology & Behavior - Volume 171, 15 March 2017, Pages 79-86
نویسندگان
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