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。547Please respect copyright.PENANAgTB9t4jCA3547Please respect copyright.PENANAzwzCl4HJaF
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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。547Please respect copyright.PENANAHkLqXirbQK
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(圖2)左圖為Panax notoginseng(三七);547Please respect copyright.PENANAsr9d6I73En
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中圖為Sedum aizoon(土三七);547Please respect copyright.PENANAzrLKettCzg
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而右圖則為Gynura japonica,頻繁被誤當成土三七的藥材。547Please respect copyright.PENANAW8xljqO2iD
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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;547Please respect copyright.PENANAgsUZUNLnOI
真正的三七及土三七並不含PAs。547Please respect copyright.PENANApNhCri1tMb
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這些PA化學物進入人體後,會形成DHPA及DHP化學物。547Please respect copyright.PENANA7h33QQoEgh
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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。547Please respect copyright.PENANAYdW7b9I6hu
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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。547Please respect copyright.PENANA8aQbgMgam2
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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。547Please respect copyright.PENANA2zgK72ySy1
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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。547Please respect copyright.PENANAftKwnPNvfG
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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。547Please respect copyright.PENANAd4S5TutlaZ
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Ref1:https://www.nature.com/articles/s41401-020-00553-9547Please respect copyright.PENANA60lNbYQNy3