紫色可以是從紅加藍而成,這是無容置疑。302Please respect copyright.PENANAUhKTErzjOY
但古時候的人又是從甚麼途徑獲取紫色顏料呢?302Please respect copyright.PENANAb70GXZYaFY302Please respect copyright.PENANAAewXgJLwF5
302Please respect copyright.PENANA2b5O6Kdzuz
(圖2)紫色顏料其中的一道渠道,就是從骨螺而來。302Please respect copyright.PENANALgS6QnBUtE302Please respect copyright.PENANAY6YQwR7l2B
302Please respect copyright.PENANA90y7uUzbOx
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。302Please respect copyright.PENANA4EIlC11KlL
302Please respect copyright.PENANAOr9mnIltt7
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。302Please respect copyright.PENANA8TbYn7jLYd
302Please respect copyright.PENANAYCBc2tRaJb
302Please respect copyright.PENANAi423Sklv9i
(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。302Please respect copyright.PENANAbiQLzNIf0r302Please respect copyright.PENANA8UsSTBfduD
302Please respect copyright.PENANAaAA8CuUeP8
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。302Please respect copyright.PENANAjj2LVCYmwR
302Please respect copyright.PENANAV8SOUwJx7X
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延伸閱讀:深入淺出–以化學角度審視吶喊名畫302Please respect copyright.PENANAZQ5VSF9Jtp
- 分享自 LIHKG 討論區302Please respect copyright.PENANAvmoJQnqDyN
https://lih.kg/2204104302Please respect copyright.PENANAgYG0ZQGdGN
302Please respect copyright.PENANAaKEz7pfCRM
302Please respect copyright.PENANABVdFfJ4WNv
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。302Please respect copyright.PENANAxiX1Gdp4JW
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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/toc302Please respect copyright.PENANApxlomdilOR
302Please respect copyright.PENANAcs4jVvyhu7
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。302Please respect copyright.PENANAj0HeYsO8nS
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Link:302Please respect copyright.PENANA8bEmZO8dlI
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio302Please respect copyright.PENANA8ibMANMSFk
302Please respect copyright.PENANApGXtq7KnAc
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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。302Please respect copyright.PENANALJzW9LEK9V
302Please respect copyright.PENANACpXZHLG7WL
Ref1:https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0245897#pone.0245897.ref007302Please respect copyright.PENANAJUgZ3638Mn
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6562550/302Please respect copyright.PENANAQf4Znxoibw
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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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