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。819Please respect copyright.ＰＥＮＡＮＡykUVWTJ7EH
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你又有沒有想過，心臟究竟係「食咩大㗎呢」?819Please respect copyright.ＰＥＮＡＮＡl6cbKLMc0I
819Please respect copyright.ＰＥＮＡＮＡDiG9FPrkUl
(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。819Please respect copyright.ＰＥＮＡＮＡQ1pfpp5Jpn
819Please respect copyright.ＰＥＮＡＮＡIP22wdGzu7
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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)。819Please respect copyright.ＰＥＮＡＮＡiB6ZZbHc37
819Please respect copyright.ＰＥＮＡＮＡaV7QLI6QoY
(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。819Please respect copyright.ＰＥＮＡＮＡSAGqQOLN6p
819Please respect copyright.ＰＥＮＡＮＡj7W68rMmEV
819Please respect copyright.ＰＥＮＡＮＡGPxtmDzW3u
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，819Please respect copyright.ＰＥＮＡＮＡh6C2nfiIkl
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。819Please respect copyright.ＰＥＮＡＮＡD0EdtRQ9gA
819Please respect copyright.ＰＥＮＡＮＡtPl6chmFNq
某程度上可以說心臟是「食脂肪大的」。819Please respect copyright.ＰＥＮＡＮＡG9G5EMNdP6
819Please respect copyright.ＰＥＮＡＮＡ9nlG7OoBBN
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。819Please respect copyright.ＰＥＮＡＮＡC5g5rXRnQz
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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。819Please respect copyright.ＰＥＮＡＮＡCi7a3TdXwo
819Please respect copyright.ＰＥＮＡＮＡB88H9fZ8ud
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。819Please respect copyright.ＰＥＮＡＮＡWg5mkkwSEJ
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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。819Please respect copyright.ＰＥＮＡＮＡG2wFKf8Bet
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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/toc819Please respect copyright.ＰＥＮＡＮＡqSDlNs0dAa
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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。819Please respect copyright.ＰＥＮＡＮＡN2VTtKOK8z
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Link:819Please respect copyright.ＰＥＮＡＮＡtrH9d6RoGU
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio819Please respect copyright.ＰＥＮＡＮＡxsHWgf8IGZ
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有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。819Please respect copyright.ＰＥＮＡＮＡ71NpqHcBoM
https://www.instagram.com/potatopigtongue/819Please respect copyright.ＰＥＮＡＮＡiKrj7meELa
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Ref1:https://science.sciencemag.org/content/370/6514/364819Please respect copyright.ＰＥＮＡＮＡ0oAdA9jeko
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