由我們出世一刻起，心臟便不辭勞苦工作，將血液送至全身，沒有休息的一刻。58Please respect copyright.ＰＥＮＡＮＡWjPfxjJDT6
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你又有沒有想過，心臟究竟係「食咩大㗎呢」?58Please respect copyright.ＰＥＮＡＮＡksl0OIDka8
58Please respect copyright.ＰＥＮＡＮＡFa5mTxXwPj
(圖2)有科學家為了解答這個問題，找來110個病人(87個心臟正常，23個心臟出現問題)，請示測試者禁食一晚，然後再進行全身麻醉。58Please respect copyright.ＰＥＮＡＮＡHiVHShDoP1
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在麻醉期間的1小時裡，分別抽取對應部份血管的血液，從而計算出心臟及腳部的新陳代謝狀況(Ref1)。58Please respect copyright.ＰＥＮＡＮＡpkXxmXLbIj
58Please respect copyright.ＰＥＮＡＮＡGcYLWcVoTC
(圖3)綜合所有證據顯示，心臟同腳部均會大量吸收Ketone Bodies，Acetate及Glutamate。58Please respect copyright.ＰＥＮＡＮＡqdlqNKPV7z
58Please respect copyright.ＰＥＮＡＮＡu3W0czG5d3
58Please respect copyright.ＰＥＮＡＮＡmYZ7Kav2cU
有趣的是，腳部會選擇性地吸收飽和脂肪酸，而放出非飽和脂肪酸，58Please respect copyright.ＰＥＮＡＮＡe6XXVXOcr2
但心臟莫論飽和與否均會全數吸收，其中脂肪酸更成為了它能量來源70%有多。58Please respect copyright.ＰＥＮＡＮＡsipYdjbueE
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某程度上可以說心臟是「食脂肪大的」。58Please respect copyright.ＰＥＮＡＮＡnMKvvLoP1U
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另外，心臟同腳部均有釋放氨基酸的跡象，顯示細胞的蛋白質一直處於分解狀態，而心臟其速度比腳部快10倍有多。58Please respect copyright.ＰＥＮＡＮＡOY3rx6g6Uj
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對比健康心臟及心臟出現問題的病人，出現問題的心臟會吸取更多的Ketone Bodies及增加氨基酸的釋放數量。58Please respect copyright.ＰＥＮＡＮＡitIdEQy2Z9
58Please respect copyright.ＰＥＮＡＮＡPs5SHrtdCY
究竟吸取更多的Ketone Bodies和增加氨基酸釋放量是為了阻擋心臟出現進一步惡化，還是因為出現問題所致而成，這方面還需要進一步的研究。58Please respect copyright.ＰＥＮＡＮＡ2MJygrE8l6
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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。58Please respect copyright.ＰＥＮＡＮＡ1upMDwml6G
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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/toc58Please respect copyright.ＰＥＮＡＮＡai8ri7x2WF
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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。58Please respect copyright.ＰＥＮＡＮＡHi66QnjyaM
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Link:58Please respect copyright.ＰＥＮＡＮＡKgKacYhSeW
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio58Please respect copyright.ＰＥＮＡＮＡxix5NR5O67
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有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。58Please respect copyright.ＰＥＮＡＮＡj10u4juzr3
https://www.instagram.com/potatopigtongue/58Please respect copyright.ＰＥＮＡＮＡb4zk3iARlI
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Ref1:https://science.sciencemag.org/content/370/6514/36458Please respect copyright.ＰＥＮＡＮＡAUFbO4Bha6
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