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Back食物黏稠度影響飽足感 減重需關注型態而非僅熱量
食物黏稠度影響飽足感 減重需關注型態而非僅熱量
Health
自由时报50 minutes agoHealth2 min readChina

食物黏稠度影響飽足感 減重需關注型態而非僅熱量

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鄰好西醫診所醫師李思賢指出,食物黏稠度會影響胃排空和GLP-1分泌,進而改變飽足感和後續食量。研究顯示,喝最稠飲品者吃披薩較少約12%,液體熱量帶來的飽足感僅約固體食物的一半。他提醒減重不能只看熱量攝取,食物型態也很重要,並澄清所指濃稠食物非指澱粉勾芡增加濃度的食物。

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Why It Matters

文章介紹一項雙盲隨機交叉試驗,受試者飲用成分相同但黏稠度不同的飲料後進食披薩,發現較濃稠飲料可減少後續食量約12%。

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2026/09/09 11:33

鄰好西醫診所醫師李思賢表示,減重不能只看吃進多少熱量,研究指出,食物型態的1種差別,也可能是影響關鍵之一;示意圖。(圖取自freepik)

〔健康頻道/綜合報導〕減重不只算熱量,食物型態不同,也可能影響下一餐吃多少。鄰好西醫診所醫師李思賢表示,1項雙盲隨機交叉試驗發現,受試者喝下成分相同、僅黏稠度不同的3種飲品,之後再吃披薩。喝最稠飲品者平均吃下278克,相較於喝下最稀飲品者攝取的316克,減少約12%。他指出,食物越濃稠,進入胃中形成凝膠後,可延緩胃排空,也可能促進飽足感荷爾蒙GLP-1的分泌。

李思賢於臉書粉專「思思醫師,陪你健康的好朋友」發文指出,國外1項試驗中,採用熱量、纖維及蛋白質等成分相同的飲品,差異只有黏稠度。結果顯示,喝下最稀飲品的受試者,在喝完之後,平均吃下316克披薩;喝最稠飲品者,則只吃278克,相差約12%(p=0.008)。

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食物越稠 飽足訊號越明顯

為什麼會這樣?對此,李思賢說明,較濃稠的食物進到胃裡會形成凝膠,撐開胃壁的牽張受器,同時拖慢胃排空,讓飽足感荷爾蒙GLP-1的分泌也跟著增加。此外,研究另有一項有意思的發現是:光是讓受試者「相信食物在胃裡會固化」,受試者的GLP-1分泌就明顯上升,即使食物的實際物理狀態根本沒有改變。

攝取液體 後續只少吃43大卡

李思賢說,從跨研究統計來看,喝進100大卡的液體,如果汁、飲料,後續進食量只減少約43大卡;若吃進100大卡的半固體食物,如優格、稠湯,後續則可減少攝取約99大卡。換句話說,液體熱量帶來的飽足感,大約只有固體食物的一半。

他表示,診間常遇到患者表示「只喝果汁卻瘦不了」,原因可能就在於飲品沒有讓大腦充分接收到「已經吃飽」的訊號,因此,減重不能只看吃進多少熱量,食物型態也值得注意。

不過,李思賢提醒,這裡所說的「濃稠」並不是指玉米濃湯、酸辣湯、土魠魚羹等以澱粉勾芡增加濃度的食物,而是低澱粉、營養豐富,且食材沒有被過度加工的食物。

Open Questions

  • 該研究的樣本大小是多少?
  • 長期飲用濃稠飲料對體重的影響是否顯著?
  • 不同類型的半固體食物對飽足感的具體差異為何?

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