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。2101Please respect copyright.ＰＥＮＡＮＡ09izFk9OwQ
2101Please respect copyright.ＰＥＮＡＮＡyKdF1Yl5VA
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。2101Please respect copyright.ＰＥＮＡＮＡsw9yZqLA3j
2101Please respect copyright.ＰＥＮＡＮＡr7cmMfYEAs
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。2101Please respect copyright.ＰＥＮＡＮＡQ4gR4nOEmC
2101Please respect copyright.ＰＥＮＡＮＡNiWCtsg4bY
2101Please respect copyright.ＰＥＮＡＮＡPahDbozkgS
（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2101Please respect copyright.ＰＥＮＡＮＡhhur2kNTnR
(Apocrine Sweat Glands)2101Please respect copyright.ＰＥＮＡＮＡxS3gy9oucb
2101Please respect copyright.ＰＥＮＡＮＡpimUMljpo3
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。2101Please respect copyright.ＰＥＮＡＮＡp1A0Fedxou
2101Please respect copyright.ＰＥＮＡＮＡBajOmPf74T
外分泌汗腺的主要功能就是散發汗水幫助散熱，調節體溫。2101Please respect copyright.ＰＥＮＡＮＡnXBKnJLOnT
2101Please respect copyright.ＰＥＮＡＮＡ2ReGQuonoR
而大汗腺的主要功能，到目前為止仍未能搞得清楚。2101Please respect copyright.ＰＥＮＡＮＡSIhTGmpjXI
2101Please respect copyright.ＰＥＮＡＮＡemPPrBiOKi
2101Please respect copyright.ＰＥＮＡＮＡVXa3xqj414
2101Please respect copyright.ＰＥＮＡＮＡRc5Ntzy5vz
（圖2）下列三點為文中所找出的異味散發機制。2101Please respect copyright.ＰＥＮＡＮＡ27XGfYvN12
2101Please respect copyright.ＰＥＮＡＮＡHJ9vTZoA56
1.大汗腺釋出無味物質Cys-Gly-3M3SH。2101Please respect copyright.ＰＥＮＡＮＡAaLwVd6KCU
2101Please respect copyright.ＰＥＮＡＮＡrXwXuhEIWM
2.腋下某品種的葡萄球菌消化Cys-Gly-3M3SH。2101Please respect copyright.ＰＥＮＡＮＡB96tGW2H9n
2101Please respect copyright.ＰＥＮＡＮＡG6w3ZgYnnW
3. 葡萄球菌消化過後，吐出帶有異味的3M3SH。2101Please respect copyright.ＰＥＮＡＮＡvjXgucko1c
2101Please respect copyright.ＰＥＮＡＮＡZ1ys3LPyqp
換句話說，腋下的異味就是由這些細菌引致而成的。2101Please respect copyright.ＰＥＮＡＮＡbiU22KQUkr
2101Please respect copyright.ＰＥＮＡＮＡma2L1BOQGw
2101Please respect copyright.ＰＥＮＡＮＡCOM03eH6C4
2101Please respect copyright.ＰＥＮＡＮＡ9IxJ9zlboz
（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。2101Please respect copyright.ＰＥＮＡＮＡI9NCFjgIEA
2101Please respect copyright.ＰＥＮＡＮＡTJiN2nEkSf
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。2101Please respect copyright.ＰＥＮＡＮＡB8CCsRPfkN
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。2101Please respect copyright.ＰＥＮＡＮＡq1QlTGj9eW
2101Please respect copyright.ＰＥＮＡＮＡMlvRSodxrc
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；2101Please respect copyright.ＰＥＮＡＮＡzXr3rmbDUW
2101Please respect copyright.ＰＥＮＡＮＡlqQ6RPRkHp
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。2101Please respect copyright.ＰＥＮＡＮＡX9sIi0JhyD
2101Please respect copyright.ＰＥＮＡＮＡlMQusnexft
而臭狐是否由這細菌引起或有份參與，文中並沒有提及。2101Please respect copyright.ＰＥＮＡＮＡmyOjDb30L8
2101Please respect copyright.ＰＥＮＡＮＡ2XfWZkKnH6
2101Please respect copyright.ＰＥＮＡＮＡM7vjXSt3Xg
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。2101Please respect copyright.ＰＥＮＡＮＡbOWRenIF9F
2101Please respect copyright.ＰＥＮＡＮＡmDwCuMzOdF
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/toc2101Please respect copyright.ＰＥＮＡＮＡGJeIUgSqnD
2101Please respect copyright.ＰＥＮＡＮＡrqljzsQTCQ
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。2101Please respect copyright.ＰＥＮＡＮＡTAfew0bIr3
2101Please respect copyright.ＰＥＮＡＮＡ2jPC92OusJ
Link:2101Please respect copyright.ＰＥＮＡＮＡzS9graZMld
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio2101Please respect copyright.ＰＥＮＡＮＡRGBiURCitV
2101Please respect copyright.ＰＥＮＡＮＡ4FqVFqXoAQ
2101Please respect copyright.ＰＥＮＡＮＡx8SlacCIE4
有興趣接收科普資訊的話，歡迎follow IG: potatopigtongue。2101Please respect copyright.ＰＥＮＡＮＡnPw0327XHm
2101Please respect copyright.ＰＥＮＡＮＡ9JORwojbaJ
Ref1:https://www.nature.com/articles/s41598-020-68860-z2101Please respect copyright.ＰＥＮＡＮＡXMcZ2UZS7F
Penana
search
登入arrow_drop_down
註冊arrow_drop_down
