紫色可以是從紅加藍而成,這是無容置疑。299Please respect copyright.PENANAf1hfnFIqPJ
但古時候的人又是從甚麼途徑獲取紫色顏料呢?299Please respect copyright.PENANAIMJ540Fudk299Please respect copyright.PENANAt58pcNA1GG
299Please respect copyright.PENANABePVEo0fuA
(圖2)紫色顏料其中的一道渠道,就是從骨螺而來。299Please respect copyright.PENANAUWFYQUON3b299Please respect copyright.PENANA8ohoSaubAb
299Please respect copyright.PENANAVkmW8W0IX0
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。299Please respect copyright.PENANA2SfEIfsxAJ
299Please respect copyright.PENANAdvE4EqMZ4f
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。299Please respect copyright.PENANAFWop6YXs0h
299Please respect copyright.PENANAn6X6Sy1RYc
299Please respect copyright.PENANAy74Er6psPF
(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。299Please respect copyright.PENANAqPNpcuuaRI299Please respect copyright.PENANAGtvQZVfLwU
299Please respect copyright.PENANAVAh0p6kVmg
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。299Please respect copyright.PENANAj4qWxiboVd
299Please respect copyright.PENANAm8DjLhhTMM
299Please respect copyright.PENANAF5yjexgAZL
延伸閱讀:深入淺出–以化學角度審視吶喊名畫299Please respect copyright.PENANASyvHmHq55B
- 分享自 LIHKG 討論區299Please respect copyright.PENANA4RKOBhZ0p1
https://lih.kg/2204104299Please respect copyright.PENANAOcGMWrwaog
299Please respect copyright.PENANAIUEZZodmZb
299Please respect copyright.PENANAh3ByejMJ2A
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。299Please respect copyright.PENANAEuENveCfFv
299Please respect copyright.PENANABWQXz8YM8I
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/toc299Please respect copyright.PENANATjeQx7pony
299Please respect copyright.PENANAceCXifGRvz
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。299Please respect copyright.PENANA499HvOdaC1
299Please respect copyright.PENANALtjs6NLVHQ
Link:299Please respect copyright.PENANA2NeSpm7mmv
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio299Please respect copyright.PENANAHNHQZiXNkL
299Please respect copyright.PENANAAmv3R36E0E
299Please respect copyright.PENANAqFF3BZfFpf
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。299Please respect copyright.PENANAGyk2yt8wwJ
299Please respect copyright.PENANA19R8qrEVVz
Ref1:https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0245897#pone.0245897.ref007299Please respect copyright.PENANA9XExFbHSNg
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6562550/299Please respect copyright.PENANAleLaLl9AqD
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科普專欄–薯不揀單
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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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ISSUE #160
三十秒科學–Royal Purple
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