口服葡萄糖和果糖(而非蔗糖)会加速人体胃排空。

IF 2.8 4区 心理学 Q1 BEHAVIORAL SCIENCES Chemical Senses Pub Date : 2024-01-01 DOI:10.1093/chemse/bjae028
Masako Kanda, Hideaki Kashima, Akira Miura, Yoshiyuki Fukuba, Makoto Takahashi, Masako Yamaoka Endo
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引用次数: 0

摘要

餐后胃排空(GE)率的调节在食物摄入中起着重要作用。虽然口服葡萄糖甜味剂可加快胃排空速度,但不同甜度的葡萄糖(10% 和 20% w/v)和其他能量甜味剂(如果糖和蔗糖)的影响仍不确定。本研究的目的是确定不同浓度的葡萄糖(实验 1)和具有相同甜味强度的不同糖(实验 2)对餐后 GE 的影响。在这两项实验中,参与者在摄入含有 50 克麦芽糊精的 200 千卡碳水化合物溶液后,在 30 分钟内每隔 5 分钟重复啜饮 1 分钟三种(水、10% 和 20% w/v 葡萄糖)或四种(水和同样甜的 20% w/v 葡萄糖、12% w/v 果糖和 14% w/v 蔗糖)溶液中的一种,但不吞咽。通过使用超声波测量胃窦横截面积的时间变化来评估 GE。在实验 1 中,与对照组刺激物(即水)相比,口服 20% w/v 葡萄糖刺激物的 GE 更大,但口服 10% w/v 葡萄糖刺激物对 GE 的影响与对照组刺激物没有区别。在实验 2 中,与对照刺激相比,20% w/v 葡萄糖或 12% w/v 果糖刺激的 GE 更大。然而,14% w/v 蔗糖刺激对 GE 的影响与对照组刺激没有差异。因此,餐后口服甜度适中或较高的葡萄糖或果糖溶液可促进餐后胃食欲增强。
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Oral stimulation with glucose and fructose, but not sucrose, accelerates gastric emptying in humans.

Postprandial regulation of the gastric emptying (GE) rate plays an important role in food intake. Although oral sweetening with glucose may accelerate GE, the effects of different sweetness intensities of glucose (10% and 20%, w/v) and other energy sweeteners (e.g. fructose and sucrose) remain uncertain. The purpose of this study was to determine the effects of different glucose concentrations (Experiment 1) and different sugars with the same sweet taste intensity (Experiment 2) on postprandial GE. In both experiments, after ingesting a 200 kcal carbohydrate solution containing 50 g of maltodextrin, participants repeatedly sipped, but did not swallow, one of three (water, 10% and 20%, w/v glucose) or four (water and equally sweet 20%, w/v glucose, 12%, w/v fructose, and 14%, w/v sucrose) solutions for 1 min every 5 min over a 30 min period. GE was evaluated by measuring the temporal change in the cross-sectional area of the gastric antrum using ultrasound. In Experiment 1, oral stimulation with 20% (w/v) glucose resulted in greater GE than the control stimulus (i.e. water), but the effect of stimulation with 10% (w/v) glucose on GE was not different from that of the control stimulus. In Experiment 2, stimulation with 20% (w/v) glucose or 12% (w/v) fructose resulted in greater GE than the control stimulus. However, the effect of stimulation with 14% (w/v) sucrose on GE did not differ from that of the control stimulus. Consequently, oral stimulation with glucose or fructose solutions of moderate to high sweetness following a meal facilitates postprandial GE.

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来源期刊
Chemical Senses
Chemical Senses 医学-行为科学
CiteScore
8.60
自引率
2.90%
发文量
25
审稿时长
1 months
期刊介绍: Chemical Senses publishes original research and review papers on all aspects of chemoreception in both humans and animals. An important part of the journal''s coverage is devoted to techniques and the development and application of new methods for investigating chemoreception and chemosensory structures.
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