中藥與西藥的比拼經常出現,箇中經常出現的論據就是中藥缺乏科學精密驗證,純粹是依靠經驗及神農嘗百草的方式積聚理論。503Please respect copyright.PENANASqfW85g7lh503Please respect copyright.PENANAWyMswf4Iba
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本篇文章無意將中藥及西藥對衡,而是嘗試以西醫科學角度審視一款中醫藥材,三七。503Please respect copyright.PENANA4yU8IDCuAt
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(圖2)左圖為Panax notoginseng(三七);503Please respect copyright.PENANALV9Uq5uzR5
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中圖為Sedum aizoon(土三七);503Please respect copyright.PENANAgmcw45V1Gb
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而右圖則為Gynura japonica,頻繁被誤當成土三七的藥材。503Please respect copyright.PENANAvg6GDoxMh7
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(圖3)不幸的是,這款誤當成土三七的藥材內含名為pyrrolizidine alkaloids (PAs)的化學物;503Please respect copyright.PENANA4uLcAaAoRG
真正的三七及土三七並不含PAs。503Please respect copyright.PENANA8XGQCLDfag
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這些PA化學物進入人體後,會形成DHPA及DHP化學物。503Please respect copyright.PENANAE3I4eyPZdi
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而DHPA及DHP化學物會與肝臟內各種蛋白質結合,導致肝臟無法運作正常。503Please respect copyright.PENANAsalbKuh8Iz
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根據資料統計(Ref1),誤當Gynura japonica作為土三七下藥,構成了中國在2017年約10-30%因攝取藥物導致肝臟收損的個案。503Please respect copyright.PENANADZ1uyqRxEA
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這亦表示,若有經驗不足的中藥醫師或商人胡亂購買藥材的話,將會無意之間害了別人。503Please respect copyright.PENANAFuyYkrsXxr
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能否有系統分配及管理中藥藥材的類別,將會是現今中醫所需面對的問題。503Please respect copyright.PENANAI3Y0XeWXCR
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有興趣繼續觀看用西醫角度觀看中藥的話,請給予正評及留言,反應熱烈的話將會寫新一集。503Please respect copyright.PENANA9d3TOSMEx2
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https://www.instagram.com/potatopigtongue/503Please respect copyright.PENANAxeZkJ1cNWB
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Ref1:https://www.nature.com/articles/s41401-020-00553-9503Please respect copyright.PENANA0y1akZsUJ8