如果測量一個人的細胞數量，事實上只有25%是屬於人體細胞，其餘的75%均由細菌及真菌所據。1936Please respect copyright.ＰＥＮＡＮＡHbxOOmPfqJ
1936Please respect copyright.ＰＥＮＡＮＡ2ao0HQ3ciR
細菌及真菌可以說是「無處不在」，它們不但寄宿於我們的皮膚外層，亦同時駐紮在我們身體內的腸道及各器官部位，與我們成呈共生關係。1936Please respect copyright.ＰＥＮＡＮＡXq1MpXCSEi
1936Please respect copyright.ＰＥＮＡＮＡk6C7mLp8gr
最近有科學家發表學術文章（Ref1)，講述位於汗腺附近的細菌就是腋下異味的其中一個元兇。1936Please respect copyright.ＰＥＮＡＮＡ828KubojbM
1936Please respect copyright.ＰＥＮＡＮＡO4BUijn5xK
1936Please respect copyright.ＰＥＮＡＮＡDOc95951aT
（圖1）我們身體的肝腺大致分為兩種，外分泌汗腺(Eccrine Sweat Glands)及大汗腺1936Please respect copyright.ＰＥＮＡＮＡJbOawz4BEg
(Apocrine Sweat Glands)1936Please respect copyright.ＰＥＮＡＮＡvIsVS457LR
1936Please respect copyright.ＰＥＮＡＮＡGfQoJ0kILc
前者接近遍佈全身，不與毛髮連接。後者主要位於腋下、乳頭及私處部位，與毛髮連接。1936Please respect copyright.ＰＥＮＡＮＡVGez2AHwnc
1936Please respect copyright.ＰＥＮＡＮＡgY6C1Px5rP
外分泌汗腺的主要功能就是散發汗水幫助散熱，調節體溫。1936Please respect copyright.ＰＥＮＡＮＡjEsYTbnHcn
1936Please respect copyright.ＰＥＮＡＮＡzqgvWohZZC
而大汗腺的主要功能，到目前為止仍未能搞得清楚。1936Please respect copyright.ＰＥＮＡＮＡinVfuK16ki
1936Please respect copyright.ＰＥＮＡＮＡ4H9MGGJM84
1936Please respect copyright.ＰＥＮＡＮＡw3M4V2RxwY
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（圖2）下列三點為文中所找出的異味散發機制。1936Please respect copyright.ＰＥＮＡＮＡIoY7YEG5YH
1936Please respect copyright.ＰＥＮＡＮＡZtMMoxz1qF
1.大汗腺釋出無味物質Cys-Gly-3M3SH。1936Please respect copyright.ＰＥＮＡＮＡtPpU0N7u1C
1936Please respect copyright.ＰＥＮＡＮＡkN6bM1Gdo2
2.腋下某品種的葡萄球菌消化Cys-Gly-3M3SH。1936Please respect copyright.ＰＥＮＡＮＡJF8IFzMWl4
1936Please respect copyright.ＰＥＮＡＮＡCEzeApwNy3
3. 葡萄球菌消化過後，吐出帶有異味的3M3SH。1936Please respect copyright.ＰＥＮＡＮＡbqkHtoExuD
1936Please respect copyright.ＰＥＮＡＮＡpb6ZLK1SxV
換句話說，腋下的異味就是由這些細菌引致而成的。1936Please respect copyright.ＰＥＮＡＮＡGHwekpc8jn
1936Please respect copyright.ＰＥＮＡＮＡo6PCqXkIRe
1936Please respect copyright.ＰＥＮＡＮＡJ0wP1yhikw
1936Please respect copyright.ＰＥＮＡＮＡeLYULK4plh
（圖3）為作進一步的證實，科學家利用黃金葡萄球菌作對照實驗。1936Please respect copyright.ＰＥＮＡＮＡbcx34xONcI
1936Please respect copyright.ＰＥＮＡＮＡUwB2mhgcYr
他們發現人葡萄球菌的近親黃金葡萄球菌並沒能夠將無味的Cys-Gly-3M3SH消化成為帶有異味的3M3SH。1936Please respect copyright.ＰＥＮＡＮＡVptsh1G1ws
但是，當把人葡萄球菌其中一隻酵素轉移到黃金葡萄球菌後，無味的Cys-Gly-3M3SH便能夠被消化成為帶有異味的3M3SH，證實異味是由那隻酵素所致。1936Please respect copyright.ＰＥＮＡＮＡ9H1OytFDaD
1936Please respect copyright.ＰＥＮＡＮＡTXNE2xN0aT
這隻酵素一直以來並沒有被前人發現，亦即是說，只要能夠研發出抑制那隻酵素的止汗劑的話，腋下的大部份異味亦能得以除去；1936Please respect copyright.ＰＥＮＡＮＡcU0ML1U5gQ
1936Please respect copyright.ＰＥＮＡＮＡsRpQTPn6Ut
異味的產生，基本上是由硫醇（Thioalcohol)及脂肪酸(Fatty acid)而成。此文章所談及的機制純屬與硫醇的產生有關，沒有觸及脂肪酸那一方面。1936Please respect copyright.ＰＥＮＡＮＡt4CYvjdqxq
1936Please respect copyright.ＰＥＮＡＮＡKLfBRXe4Y0
而臭狐是否由這細菌引起或有份參與，文中並沒有提及。1936Please respect copyright.ＰＥＮＡＮＡ3VExhZrpLY
1936Please respect copyright.ＰＥＮＡＮＡshZshxilA6
1936Please respect copyright.ＰＥＮＡＮＡMLdKAVSr40
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。1936Please respect copyright.ＰＥＮＡＮＡowc1wPhfN9
1936Please respect copyright.ＰＥＮＡＮＡ0EAWVHOKZb
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/toc1936Please respect copyright.ＰＥＮＡＮＡS2z5jZkgND
1936Please respect copyright.ＰＥＮＡＮＡuTjSxBTMwa
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。1936Please respect copyright.ＰＥＮＡＮＡRKn1T1nRXN
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Link:1936Please respect copyright.ＰＥＮＡＮＡPICjpR25Zu
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio1936Please respect copyright.ＰＥＮＡＮＡ8uFf0sj0Jv
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有興趣接收科普資訊的話，歡迎follow IG: potatopigtongue。1936Please respect copyright.ＰＥＮＡＮＡKDiAjeJLhy
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Ref1:https://www.nature.com/articles/s41598-020-68860-z1936Please respect copyright.ＰＥＮＡＮＡo5mn8f4FUW
8964 copyright protection1932ＰＥＮＡＮＡwRbezbNKLl 維尼

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