隸屬山蟻亞科的螞蟻,尾部具有可分泌酸性液體的器官。819Please respect copyright.PENANAkgLAE4o437819Please respect copyright.PENANAL5wyNpuZMG
819Please respect copyright.PENANA8yNETmiwFo
甲酸(Formic Acid)是酸性液體的主要物質,普遍認作為抵禦外敵之用。819Please respect copyright.PENANAC2jLH8i1LK
819Please respect copyright.PENANAzh6VZvm2I7
(圖2)研究(Ref1)發現,餵食山蟻亞科螞蟻含有10%蜜糖成份的水(pH5)後,其消化器官的pH值會有所降低;pH越低,泛指酸性越重。819Please respect copyright.PENANAYrgMJs9mcm819Please respect copyright.PENANAggqERF7y22
819Please respect copyright.PENANAU9FZEuaTyw
819Please respect copyright.PENANAXGjDbS15jV
(圖手3)若果拑制螞蟻的舉動,進食蜜糖水後,其消化器官的pH值並不會有所下降。819Please respect copyright.PENANA7DlFQBmoMh819Please respect copyright.PENANAvESIsJjQWR
819Please respect copyright.PENANAvbfYvUKCHf
後來發現,消化器官之所以進食後出現pH下降,是因為牠們進食後會咀嚼尾部的酸性分泌液所致。819Please respect copyright.PENANAADgjnddCTA
819Please respect copyright.PENANAwvcr13syIV
當牠們的行動被有所限制後,再也沒能「自食其酸」,因此消化器官的pH值並不會有所下降。819Please respect copyright.PENANAml9HSlF1zj
819Please respect copyright.PENANAZSOVMBZWmc
(圖4)自食其酸的其中一道作用,就是能夠幫忙消除外來食物對自己有害的細菌。819Please respect copyright.PENANARGWyLdsgSw819Please respect copyright.PENANAM3F7oKuk9Z
819Please respect copyright.PENANAiyIfTlpK5L
研究故意注入特定的細菌到食物之中,再餵給螞蟻,亦能夠量度出該細菌並沒能夠在酸性分泌液中生存。819Please respect copyright.PENANAgiaTzGgbyA
819Please respect copyright.PENANAJRjc7WZjJm
而我們人類本身的胃部本身就懂得製作胃酸,並不需要「自食其酸」來抵禦外來細菌。819Please respect copyright.PENANA12JuGtrVYo
819Please respect copyright.PENANASX7Na2aQqt
除非高價買入GME股份,才會自食其酸。819Please respect copyright.PENANANthNC4Cgf3
819Please respect copyright.PENANALQleV2nScK
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.PENANA4TkgldH7XY
819Please respect copyright.PENANAER18G6awAw
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.PENANAbjKpFi1qVp
819Please respect copyright.PENANAu17h51doSA
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.PENANADEfRlzaH2g
819Please respect copyright.PENANAYXsDI6jQ8P
Link:819Please respect copyright.PENANAH002pjImFE
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio819Please respect copyright.PENANAbUfSrN0LuK
819Please respect copyright.PENANA9r7W4KxvlD
819Please respect copyright.PENANAoKHJlkEXs5
基於WhatsApp/Facebook等問題,IG將不會再作更新,只會寄居本土LIHKG及Penana。819Please respect copyright.PENANANHgaGW3QJu
819Please respect copyright.PENANA0w2PSfsq5Z
Ref1:https://elifesciences.org/articles/60287819Please respect copyright.PENANAb0MDd91aln
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科普專欄–薯不揀單
作者:
薯仔聞茱莉

篇 #150
三十秒科學–自食其酸
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