紫色可以是從紅加藍而成,這是無容置疑。517Please respect copyright.PENANAdb5zibLdyt
但古時候的人又是從甚麼途徑獲取紫色顏料呢?517Please respect copyright.PENANAZp796tRPyM517Please respect copyright.PENANAKFbMXSXynx
517Please respect copyright.PENANAGix0pPxJDD
(圖2)紫色顏料其中的一道渠道,就是從骨螺而來。517Please respect copyright.PENANALZZ1S92pSh517Please respect copyright.PENANA0Yv7uRwAPW
517Please respect copyright.PENANA3AAXcu8gdd
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。517Please respect copyright.PENANAQQP7Qldxpi
517Please respect copyright.PENANAC0uPnYoPQ7
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。517Please respect copyright.PENANA99aG9JwJtK
517Please respect copyright.PENANAyhv5ywdFeW
517Please respect copyright.PENANAD1WOltQ53s
(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。517Please respect copyright.PENANAQITEUMX9Cq517Please respect copyright.PENANAOZ8Z6gEciU
517Please respect copyright.PENANAANWohH7YfM
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。517Please respect copyright.PENANAV7p8y685jr
517Please respect copyright.PENANA54wRp9qnQR
517Please respect copyright.PENANAW7jACMFuTi
延伸閱讀:深入淺出–以化學角度審視吶喊名畫517Please respect copyright.PENANAJRgA1k34TQ
- 分享自 LIHKG 討論區517Please respect copyright.PENANAuz6GPcGpUk
https://lih.kg/2204104517Please respect copyright.PENANA6mLfzYg24s
517Please respect copyright.PENANAwiRvggiocV
517Please respect copyright.PENANApsKb4SQMNw
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。517Please respect copyright.PENANA9en4fseq6o
517Please respect copyright.PENANAnqTG3bpWEt
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/toc517Please respect copyright.PENANAjj2KeI3iDG
517Please respect copyright.PENANAeGSttXu4ct
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。517Please respect copyright.PENANACOsuxIlgDO
517Please respect copyright.PENANAFxxIF9bTJc
Link:517Please respect copyright.PENANA4TDR4ECZ9c
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio517Please respect copyright.PENANAvZtqZRUZNj
517Please respect copyright.PENANAvgCs1Sm9wU
517Please respect copyright.PENANAZKf3LQBu3h
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。517Please respect copyright.PENANA154AXHUJ2Z
517Please respect copyright.PENANABILzSLDO71
Ref1:https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0245897#pone.0245897.ref007517Please respect copyright.PENANA8IWh1XMFkF
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6562550/517Please respect copyright.PENANAFYcmoFsjIv
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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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