你有無曾經試過，加少少鹽到甜味的食物之後，感覺反而會更加甜?826Please respect copyright.ＰＥＮＡＮＡD1TcEqWDad
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究竟是心理作用，還是有確實的機制存在呢？826Please respect copyright.ＰＥＮＡＮＡ9ccBp2iHqr
826Please respect copyright.ＰＥＮＡＮＡ6I3lEgBj3O
（圖2）早前曾經深入淺出舌頭的甜味感測機制，可到這裡溫故知新：https://www.penana.com/article/474464826Please respect copyright.ＰＥＮＡＮＡiISr3UTngC
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簡單來說，甜味物質與味蕾上的T1R2及T1R3合併，其後觸發一系列的反應，最終導致電流經由神經細胞傳到大腦，再由大腦分析電流訊息，製造甜味的感覺。826Please respect copyright.ＰＥＮＡＮＡnFMHQ3CBS4
826Please respect copyright.ＰＥＮＡＮＡoo0NDiSBn6
（圖3）除T1R之外，舌頭上亦有名為SGLT1的蛋白質。826Please respect copyright.ＰＥＮＡＮＡscJ7STH2PU
當有葡萄糖及鈉離子（從NaCl食用鹽得來）同時存在的話，SGLT1便會把葡萄糖及鈉離子同時收入細胞之內，觸發感測甜味的機制。826Please respect copyright.ＰＥＮＡＮＡfh7ytOZogG
826Please respect copyright.ＰＥＮＡＮＡSMW7ZYN91g
826Please respect copyright.ＰＥＮＡＮＡyXjCPtWGC7
這SGLT1蛋白質只會對葡萄糖及鈉離子產生反應，換言之，代糖以及鉀鹽便不會觸發這一套機制。826Please respect copyright.ＰＥＮＡＮＡsZNmBDegFP
826Please respect copyright.ＰＥＮＡＮＡPNKH8el0dj
我們舌頭上相信有三種感測甜味的細胞，只擁有T1R、只擁有SGLT1以及同時擁有T1R和SGLT1。826Please respect copyright.ＰＥＮＡＮＡD6th6CG3Bk
826Please respect copyright.ＰＥＮＡＮＡCuLqG3V5cl
鈉離子與葡萄糖的存在，將會在T1R的前提下額外觸發SGLT1的機制，因此我們主觀上會感覺到甜味的感覺更為強烈。826Please respect copyright.ＰＥＮＡＮＡIhrNIyWkfY
826Please respect copyright.ＰＥＮＡＮＡqsqFwLXWl8
當然，若然食用鹽（NaCl)添加過量的話，鹹味最終會蓋過所增進的甜味效益。826Please respect copyright.ＰＥＮＡＮＡRrECWfs5Yh
而如何拿掐箇中的平衡，那就要取決於廚師的功力和經驗了。826Please respect copyright.ＰＥＮＡＮＡrcjAt13jFA
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如果想我快啲出文的話，請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark，這對我非常之重要。826Please respect copyright.ＰＥＮＡＮＡLVLjU6fP3G
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Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc826Please respect copyright.ＰＥＮＡＮＡ7V9zGC2ilT
826Please respect copyright.ＰＥＮＡＮＡytHa4ucSGZ
同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」，以課金的方式推動我繼續搜羅資料寫文，多謝。826Please respect copyright.ＰＥＮＡＮＡsaSY2zgClK
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Link:826Please respect copyright.ＰＥＮＡＮＡaZY2HyXWrX
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio826Please respect copyright.ＰＥＮＡＮＡ6j3yn6W0Hh
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有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。826Please respect copyright.ＰＥＮＡＮＡHgB22qzzyH
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Ref1:https://www.cell.com/cell/fulltext/S0092-8674(03)00844-4?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0092867403008444%3Fshowall%3Dtrue826Please respect copyright.ＰＥＮＡＮＡL07xuC85nC
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Ref2:https://onlinelibrary.wiley.com/doi/epdf/10.1111/apha.13529826Please respect copyright.ＰＥＮＡＮＡFhoJ0MLfSR
8964 copyright protection822ＰＥＮＡＮＡdPHrKUH0KF 維尼

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