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。1492Please respect copyright.PENANANvl0B93580
1492Please respect copyright.PENANATiM6kJ7vFe
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。1492Please respect copyright.PENANAeksH7H95dW
1492Please respect copyright.PENANA5jM650UFMn
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。1492Please respect copyright.PENANAmkWpDZ368O
1492Please respect copyright.PENANAsp0zsTYpqx
1492Please respect copyright.PENANAsspxeAHrLg
(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1492Please respect copyright.PENANAHYSyt81ada
(Apocrine Sweat Glands)1492Please respect copyright.PENANApGb8bsYLwF
1492Please respect copyright.PENANAXVyMUAwbSy
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。1492Please respect copyright.PENANA2o7z9HoOlY
1492Please respect copyright.PENANAJsLXfJq4hn
外分泌汗腺的主要功能就是散發汗水幫助散熱,調節體溫。1492Please respect copyright.PENANAyPAA7K2YuL
1492Please respect copyright.PENANAuXSFZZohpS
而大汗腺的主要功能,到目前為止仍未能搞得清楚。1492Please respect copyright.PENANAEPJDpgjDD2
1492Please respect copyright.PENANAMlqNuqRg0D
1492Please respect copyright.PENANAJ4jkAr0rz7
1492Please respect copyright.PENANAmS8TpzYgWk
(圖2)下列三點為文中所找出的異味散發機制。1492Please respect copyright.PENANAoC75mbsK9i
1492Please respect copyright.PENANAbL0ukkwykS
1.大汗腺釋出無味物質Cys-Gly-3M3SH。1492Please respect copyright.PENANA8hwSIqFNWO
1492Please respect copyright.PENANAM4CiIOJ3B2
2.腋下某品種的葡萄球菌消化Cys-Gly-3M3SH。1492Please respect copyright.PENANAyp37NcYrWI
1492Please respect copyright.PENANAJgzUEfBcNk
3. 葡萄球菌消化過後,吐出帶有異味的3M3SH。1492Please respect copyright.PENANA8mNQcxX3B8
1492Please respect copyright.PENANALTU5Zf2VrM
換句話說,腋下的異味就是由這些細菌引致而成的。1492Please respect copyright.PENANAWKgsNenacC
1492Please respect copyright.PENANAXpFXTqcgY3
1492Please respect copyright.PENANAm8X1pliupk
1492Please respect copyright.PENANAzh6YvWFqkw
(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。1492Please respect copyright.PENANAPhX7dfohe7
1492Please respect copyright.PENANAzUPwRKa6o7
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。1492Please respect copyright.PENANA1JVkFqSFvb
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。1492Please respect copyright.PENANAZBHEwH5guA
1492Please respect copyright.PENANAoP6dnVvyNU
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;1492Please respect copyright.PENANAGQ6862s0tL
1492Please respect copyright.PENANAEuL7GEVMco
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。1492Please respect copyright.PENANATZQ8jahwrG
1492Please respect copyright.PENANA6NHyEu8ySP
而臭狐是否由這細菌引起或有份參與,文中並沒有提及。1492Please respect copyright.PENANAEHWAUfNcyg
1492Please respect copyright.PENANAvLoBfi6G2O
1492Please respect copyright.PENANAHYepP5wRTv
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。1492Please respect copyright.PENANAJ2Zl02V4QJ
1492Please respect copyright.PENANAuhYhazb9tx
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/toc1492Please respect copyright.PENANAqdJw4ESceA
1492Please respect copyright.PENANAOK8ht6GzF1
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。1492Please respect copyright.PENANAhg0IvWdIJH
1492Please respect copyright.PENANAH61RrQEPYj
Link:1492Please respect copyright.PENANAaSr9263P2t
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio1492Please respect copyright.PENANAWqUWZ3WYFm
1492Please respect copyright.PENANA4qFNMz22gg
1492Please respect copyright.PENANAyl00bcXmZ8
有興趣接收科普資訊的話,歡迎follow IG: potatopigtongue。1492Please respect copyright.PENANA6yJaygjXQo
1492Please respect copyright.PENANA8TbtcHsvYD
Ref1:https://www.nature.com/articles/s41598-020-68860-z1492Please respect copyright.PENANACaacAzUySq
arrow_back
科普專欄–薯不揀單
more_vert
-
info_outline 資料
-
toc 目錄
-
share 分享
-
format_color_text 介面設置
-
exposure_plus_1 推薦
-
打賞
-
report_problem 檢舉
-
account_circle 登入
X
科普專欄–薯不揀單
作者:
薯仔聞茱莉
篇 #24
深入淺出–腋下異味的來源
喜歡 6
閱讀 1488
書籤 148
campaign
催更 0
打賞
以 Facebook 帳號登入
或 註册/登入 以留言或加上書籤
按此加載下一章
X
每次催更後,作者都會收到通知!
smartphone100 → 催更
×
寫下你喜歡這個故事的地方
×
對此喜歡的人