紫色可以是從紅加藍而成,這是無容置疑。516Please respect copyright.PENANAUr3ftTCC6E
但古時候的人又是從甚麼途徑獲取紫色顏料呢?516Please respect copyright.PENANAehekBk0Jhs516Please respect copyright.PENANAJCdNHR65tP
516Please respect copyright.PENANApfCTXH4YUF
(圖2)紫色顏料其中的一道渠道,就是從骨螺而來。516Please respect copyright.PENANAlUknTBPbz9516Please respect copyright.PENANApHglkYc3mE
516Please respect copyright.PENANAbLZ1RyVDam
顏色的來源當然並非來自骨螺外部,而是來自內部一道名為鰓下腺(Hypobranchial gland)的器官。516Please respect copyright.PENANAEL7rmBsFvX
516Please respect copyright.PENANAZQtUrqWlec
提取過程相當複雜,而且顏色最終的光澤將取決於骨螺的新鮮度,平均來說每隻骨螺最終只可提取得到約0.9克的顏料。516Please respect copyright.PENANAPbe3I8Vpro
516Please respect copyright.PENANAZfkkbJR89P
516Please respect copyright.PENANAwvSjVkmVcm
(圖3)從以色列南部找出屬於約3000年前(鐵器時代)的紫色羊毛纖維中,找到骨螺鰓下腺器官內含的6-monobromoindigotin和6,6-dibromoindigotin的化學物質,進一步引證從骨螺提取紫色顏料的證據。516Please respect copyright.PENANAuYssl5qAt2516Please respect copyright.PENANAqXd7ONLTS6
516Please respect copyright.PENANACaqKaPkMCg
據稱,從骨螺而來的紫色染料一律將被命名為True Purple或是Royal Purple,對比其他來自植物或礦物得來的紫色染料,較不容易會褪色。516Please respect copyright.PENANAi5vQ0PHC1u
516Please respect copyright.PENANAkUdGV1WTGN
516Please respect copyright.PENANAHqgLQ6eJpc
延伸閱讀:深入淺出–以化學角度審視吶喊名畫516Please respect copyright.PENANAfTM2XngyiX
- 分享自 LIHKG 討論區516Please respect copyright.PENANAI4vBDrXVKa
https://lih.kg/2204104516Please respect copyright.PENANAHylHto6JWw
516Please respect copyright.PENANAyNABPETpNz
516Please respect copyright.PENANAqc7ZiJH3sn
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。516Please respect copyright.PENANA3Y45iyktYd
516Please respect copyright.PENANA4m6XejTpUW
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/toc516Please respect copyright.PENANAzVD8ZFlfHJ
516Please respect copyright.PENANAcmWikQv94y
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。516Please respect copyright.PENANAXF3dxwA75M
516Please respect copyright.PENANAfkWgc6HHIw
Link:516Please respect copyright.PENANApM6ik384Yc
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio516Please respect copyright.PENANAYZYooNKAgC
516Please respect copyright.PENANAFHF3PmFCl2
516Please respect copyright.PENANApuesCHbOmF
除非Facebook及IG重開侵侵的account,否則我的IG將不會再作更新,只會寄居本土LIHKG及Penana。516Please respect copyright.PENANATtDgyLnznc
516Please respect copyright.PENANAzlW10yg97U
Ref1:https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0245897#pone.0245897.ref007516Please respect copyright.PENANAom4Awz04Zt
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6562550/516Please respect copyright.PENANAufxfdLqJCL
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科普專欄–薯不揀單
作者:
薯仔聞茱莉

篇 #160
三十秒科學–Royal Purple
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