紫色可以是從紅加藍而成,這是無容置疑。301Please respect copyright.PENANA93c5dVBZtD
但古時候的人又是從甚麼途徑獲取紫色顏料呢?301Please respect copyright.PENANAaJp2m9Vscj301Please respect copyright.PENANAQD09iSFxn7
301Please respect copyright.PENANAAoTEXYHxYV
(圖2)紫色顏料其中的一道渠道,就是從骨螺而來。301Please respect copyright.PENANA7DqXa1trws301Please respect copyright.PENANAgU7tFhv0Jy
301Please respect copyright.PENANABH1T6QYBcw
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。301Please respect copyright.PENANAXR93SfraU1
301Please respect copyright.PENANA3kAHJRVElZ
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。301Please respect copyright.PENANAuIXnq4DuCg
301Please respect copyright.PENANAtTdhF1T4qJ
301Please respect copyright.PENANARo5TG16x2l
(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。301Please respect copyright.PENANAxj1Y0cJK9K301Please respect copyright.PENANAu5gH4QDovT
301Please respect copyright.PENANAVWaIXCEcJJ
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。301Please respect copyright.PENANA44y0USyzz0
301Please respect copyright.PENANAPHF94msfoN
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延伸閱讀:深入淺出–以化學角度審視吶喊名畫301Please respect copyright.PENANAaCVtbDjIHR
- 分享自 LIHKG 討論區301Please respect copyright.PENANAkQSLHWhhtM
https://lih.kg/2204104301Please respect copyright.PENANAnGyzJpsC6r
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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。301Please respect copyright.PENANAJZ3T6NJXPd
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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/toc301Please respect copyright.PENANA53T4ViFCZf
301Please respect copyright.PENANAmBIRwET0EA
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。301Please respect copyright.PENANAZiwkscEzQd
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Link:301Please respect copyright.PENANAzR3Okovfye
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio301Please respect copyright.PENANAgYqN9WO15O
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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。301Please respect copyright.PENANAnzK8TYM37g
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Ref1:https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0245897#pone.0245897.ref007301Please respect copyright.PENANAj2wzmth10z
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6562550/301Please respect copyright.PENANAWR6Y7d3Txl
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科普專欄–薯不揀單
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薯仔聞茱莉
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篇 #160
三十秒科學–Royal Purple
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