全球約有2000種植物含有物質可揮發成為山埃氣體,南北杏就是其中的兩種。985Please respect copyright.PENANASVlehFOQ6N985Please respect copyright.PENANAyBfXS4cxHi
南杏仁又稱之為甜杏仁(sweet apricot kernel),而北杏仁則為苦杏仁(bitter apricot kernel)。985Please respect copyright.PENANAXWm6ojYX5c
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相對上,南杏仁的毒性比北杏仁遠之為低。985Please respect copyright.PENANAzjzgxjBMWG
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(圖2)南北杏內含化學物質扁桃苷(Amygdalin),以及能夠分解扁桃苷並釋放出山埃的酵素。985Please respect copyright.PENANAn9oHuUS3Lg985Please respect copyright.PENANAqQb8WhYJOT
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在正常情況下,扁桃苷及能夠分解它的酵素就像是牛郎及織女一樣被分隔開兩地。985Please respect copyright.PENANAiGbcgAi5L4
而當我們嘴嚼南北杏的時候,其內部結構便會有所破壞,酵素亦得以與扁桃苷接觸,並釋發出對人體有害的山埃物質;985Please respect copyright.PENANAR0IISVBC9F
與此同時,胃酸及腸道細菌亦有能力將扁桃苷分解成為山埃。985Please respect copyright.PENANA3kvpnVAkyK
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(圖3)每克北杏仁大概含有26 ± 14 mg扁桃苷,而每克南杏仁則大概含有0.16 ± 0.09 mg扁桃苷。985Please respect copyright.PENANAEFbAIwzG2C985Please respect copyright.PENANAYlYA2fYKND
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基於北杏所含的扁桃苷比南杏為高,因此相對上北杏在體內釋放出的山埃亦會較多。985Please respect copyright.PENANAaEgJdtGx8k
山埃能夠抑制細胞產生能源的機制,對於經常性需要使用能源的心臟及大腦尤其傷害為深。985Please respect copyright.PENANAhY3N93UnA9
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口服山埃致命量為0.56mg/體重kg,以一個重80 kg的暴力警察為例,他口服44.8mg山埃後便會中毒致死。985Please respect copyright.PENANAxPkTfYnXvJ
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每457克的扁桃苷約可釋出26克的山埃,以北杏每克含有40mg扁桃苷作計算的話,80 kg的暴力警察攝取多少克北杏便會中毒身亡呢?985Please respect copyright.PENANAIjwqbgDYVc
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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。985Please respect copyright.PENANAQB8xkpHDoJ
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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。985Please respect copyright.PENANAckIept3hgg
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https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio985Please respect copyright.PENANABFk0UvuBAy
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除非Facebook及IG重開侵侵的account,否則我的IG將不會再作更新,只會寄居本土LIHKG及Penana。985Please respect copyright.PENANATcSlx1jRKW
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Ref1:https://efsa.onlinelibrary.wiley.com/doi/full/10.2903/j.efsa.2016.4424985Please respect copyright.PENANAvP2Bl6hBMo
Ref2:https://www.tandfonline.com/doi/full/10.1080/02772248.2015.1030667
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