隸屬山蟻亞科的螞蟻,尾部具有可分泌酸性液體的器官。835Please respect copyright.PENANApcRP0DutOk835Please respect copyright.PENANAMPt9HejzSD
835Please respect copyright.PENANA8bxwpER6Ks
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。835Please respect copyright.PENANAEMuWDcs7F4
835Please respect copyright.PENANABktEHaEa1N
(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。835Please respect copyright.PENANAM6YwN4ZY5o835Please respect copyright.PENANAPb71D1RRB6
835Please respect copyright.PENANAJMLQ5ciJze
835Please respect copyright.PENANAkzwUTZeAGS
(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。835Please respect copyright.PENANAiTfjzt6MfA835Please respect copyright.PENANAjIVhCp0vOS
835Please respect copyright.PENANApYHXwriaG8
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。835Please respect copyright.PENANAl1teGiMbtp
835Please respect copyright.PENANAmWmRrAJV6e
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。835Please respect copyright.PENANAUTEn1OipPw
835Please respect copyright.PENANAW5ee7jBntM
(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。835Please respect copyright.PENANAYoSTYLk5BY835Please respect copyright.PENANAxYCE4KSIUY
835Please respect copyright.PENANAhQq8T2hugI
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。835Please respect copyright.PENANAPYxFl9kHjz
835Please respect copyright.PENANAvJtMmqN4h1
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。835Please respect copyright.PENANAiWWtdxQ1aH
835Please respect copyright.PENANAIIENMJRE8i
除非高價買入GME股份,才會自食其酸。835Please respect copyright.PENANAe9fYwsRudP
835Please respect copyright.PENANAEBumHlsxgB
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。835Please respect copyright.PENANAEoBB92bnpB
835Please respect copyright.PENANAu22YH86Y1j
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/toc835Please respect copyright.PENANAoXzETfCZiI
835Please respect copyright.PENANA4IyZeEdJHz
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。835Please respect copyright.PENANAdyAX9vick5
835Please respect copyright.PENANACDt0OfEcWQ
Link:835Please respect copyright.PENANA0tsHP05EUl
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio835Please respect copyright.PENANAyavqH31o7B
835Please respect copyright.PENANAcDTdkQ6jwO
835Please respect copyright.PENANAv1GsI7SXfk
基於WhatsApp/Facebook等問題,IG將不會再作更新,只會寄居本土LIHKG及Penana。835Please respect copyright.PENANAk0huTZ0h0Z
835Please respect copyright.PENANAALtExlcO1G
Ref1:https://elifesciences.org/articles/60287835Please respect copyright.PENANATqdAytgb2I