隸屬山蟻亞科的螞蟻,尾部具有可分泌酸性液體的器官。523Please respect copyright.PENANAK5WL75raTw
523Please respect copyright.PENANAncDa8ADE2B
523Please respect copyright.PENANAhOqvPHrkIc
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。523Please respect copyright.PENANASVarWcwATa
523Please respect copyright.PENANAkXSSuxhmKf
(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。523Please respect copyright.PENANAngGXBAB7Dq
523Please respect copyright.PENANAPNnxiSE3xp
523Please respect copyright.PENANAhFPPMau9gw
523Please respect copyright.PENANAesHChdeePu
(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。523Please respect copyright.PENANAqPNpF82yzc
523Please respect copyright.PENANAYomaqlc4bc
523Please respect copyright.PENANAfWcgO3L6XF
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。523Please respect copyright.PENANAwAs5T1Z1Un
523Please respect copyright.PENANAkVXAFXLGGh
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。523Please respect copyright.PENANAreNJ7hvgoi
523Please respect copyright.PENANAgirw6tTYF5
(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。523Please respect copyright.PENANA5UmoVHAIX1
523Please respect copyright.PENANApsIi8ZqSdy
523Please respect copyright.PENANAzZPjCdxdXm
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。523Please respect copyright.PENANAUEq70cXBTp
523Please respect copyright.PENANAGsFeLm7KaV
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。523Please respect copyright.PENANAyKdl3mNIge
523Please respect copyright.PENANAsPntlmoyEG
除非高價買入GME股份,才會自食其酸。523Please respect copyright.PENANAoRRTDj1B3E
523Please respect copyright.PENANAzDQvZ5Jw7B
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。523Please respect copyright.PENANAcGiWRGtmkr
523Please respect copyright.PENANAA2G7tV4Wol
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/toc523Please respect copyright.PENANAcu4HqxA59j
523Please respect copyright.PENANAH5be34zJy0
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。523Please respect copyright.PENANAds4hMeZf8R
523Please respect copyright.PENANAW6XwOiqGj9
Link:523Please respect copyright.PENANACu0CJ0Yy3u
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio523Please respect copyright.PENANAes2wWQ5bd2
523Please respect copyright.PENANARMLM1V3vin
523Please respect copyright.PENANAJ0X6PSG7Nq
基於WhatsApp/Facebook等問題,IG將不會再作更新,只會寄居本土LIHKG及Penana。523Please respect copyright.PENANAcgcehfny2I
523Please respect copyright.PENANAqA1W9BVZn8
Ref1:https://elifesciences.org/articles/60287523Please respect copyright.PENANAkcMi3xShwy