The Power of Suggestion: Subjective Satiety Is Affected by Nutrient and Health-Focused Food Labelling with No Effect on Physiological Gut Hormone Release.
The Power of Suggestion: Subjective Satiety Is Affected by Nutrient and Health-Focused Food Labelling with No Effect on Physiological Gut Hormone Release.
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DOI：
10.3390/nu14235100
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发表时间：
2022-12-01
期刊：
影响因子：
5.9
通讯作者：
Woodside JV
中科院分区：
文献类型：
--
作者：
Watson S;O'Hara H;Reveendran D;Cardwell C;Murphy KG;Benson T;Dean M;Woodside JV
食品标签上的健康声明可以影响人们对食物的看法，而不是他们实际食用它，例如，驱使人们相信某种特定的食物会让他们感到更饱。本研究的目的是调查食品标签上的营养和健康声明是否会影响自我报告的饱足感和生理指标。共有50名参与者参加了两次访问，他们被要求在一次访问中消耗380千卡的早餐（格兰诺拉麦片和酸奶），标签为500千卡的“放纵”早餐，另一次访问则为250千卡的“合理”早餐。早餐描述的顺序是随机分配的。参与者不知道两种早餐是同一种产品，只是食品标签不同。在每次访视时，在三个时间点收集血液样品以测量肠道激素水平（酰化生长素释放肽、肽酪氨酸-酪氨酸和胰高血糖素样肽-1）：到达后20分钟（基线）、60分钟后（预期，食用前即刻）和90分钟后（食用后）。在每次采样前完成测量食欲（饥饿感、饱腹感、饱腹感、进食量和进食欲望）的视觉模拟量表。在60到90分钟之间，参与者食用早餐并对其感官吸引力进行评价。参与者报告说，从预期到消费后，“放纵”早餐的自我报告饱胀感的平均变化高于“明智”早餐（平均差异：7.19 [95% CI：0.73，13.6]; p = 0.030）。在其他时间点或肠道激素水平的其他食欲指标中未观察到这种变化。这项研究表明，食品标签上的营养和健康声明可能会影响自我报告的饱腹感。它还表明，观察到的饱腹感评分差异不是由于调节食欲的主要肠道激素的变化，而是更可能是中枢介导的。需要更多高质量的试验来证实这些发现。
Health claims on food labelling can influence peoples’ perception of food without them actually eating it, for example driving a belief that a particular food will make them feel fuller. The aim of this study was to investigate whether nutrient and health claims on food labelling can influence self-reported, and physiological indicators of, satiation. A total of 50 participants attended two visits where they were asked to consume a 380 kcal breakfast (granola and yogurt) labelled as a 500 kcal ‘indulgent’ breakfast at one visit and as a 250 kcal ‘sensible’ breakfast at the other. The order of the breakfast descriptions was randomly allocated. Participants were unaware that the two breakfasts were the same product and that only the food labels differed. At each visit blood samples were collected to measure gut hormone levels (acylated ghrelin, peptide tyrosine-tyrosine and glucagon-like peptide-1) at three time points: 20 min after arrival (baseline), after 60 min (anticipatory, immediately prior to consumption) and after 90 min (post-consumption). Visual analogue scales measuring appetite (hunger, satiety, fullness, quantity and desire to eat) were completed prior to each sample. Between 60 and 90 min, participants consumed the breakfast and rated its sensory appeal. Participants reported a higher mean change in self-reported fullness for the ‘indulgent’ than the ‘sensible’ breakfast from anticipatory to post-consumption (mean difference: 7.19 [95% CI: 0.73, 13.6]; p = 0.030). This change was not observed for the other appetite measures at the other time points or gut hormone levels. This study suggests that nutrient and health claims on food labels may influence satiation as measured by self-reported fullness. It also suggests that the observed differences in satiety scores are not due to changes in the main appetite regulating gut hormones, but are more likely centrally mediated. More high-quality trials are required to confirm these findings.
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