紫色可以是從紅加藍而成,這是無容置疑。568Please respect copyright.PENANApgorVpAeqR
但古時候的人又是從甚麼途徑獲取紫色顏料呢?568Please respect copyright.PENANArhB9VKqJUl568Please respect copyright.PENANAVdN4WJRBnz
568Please respect copyright.PENANAg23NFdgYuM
(圖2)紫色顏料其中的一道渠道,就是從骨螺而來。568Please respect copyright.PENANAlnsRHlzcY2568Please respect copyright.PENANAQD8HlkzAL3
568Please respect copyright.PENANAFYJNgqhroD
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。568Please respect copyright.PENANA5cQcPU4W50
568Please respect copyright.PENANARYauEVXlaq
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。568Please respect copyright.PENANAGKd77bMTV4
568Please respect copyright.PENANA8u4BkTvK4X
568Please respect copyright.PENANAUPPZTT4nCX
(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。568Please respect copyright.PENANAEaO6BzwoeW568Please respect copyright.PENANA7BeCnRQhxI
568Please respect copyright.PENANAgFsDlYhNLN
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。568Please respect copyright.PENANAG9QFA51iMW
568Please respect copyright.PENANAbjQPRO3aC7
568Please respect copyright.PENANAo5t7Q7KJ1y
延伸閱讀:深入淺出–以化學角度審視吶喊名畫568Please respect copyright.PENANAINqitGNVCf
- 分享自 LIHKG 討論區568Please respect copyright.PENANAU5lzpa5sf0
https://lih.kg/2204104568Please respect copyright.PENANAnXNqEdzcnF
568Please respect copyright.PENANA53dFYHtGqz
568Please respect copyright.PENANAoJnuRoFFyb
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。568Please respect copyright.PENANAqMrtTBZZ0W
568Please respect copyright.PENANANT7ILLm6UP
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/toc568Please respect copyright.PENANAq3Ht8O9QL4
568Please respect copyright.PENANAtUVMHZQmdn
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。568Please respect copyright.PENANAxZNSDEgGWu
568Please respect copyright.PENANAVtla3PlKwg
Link:568Please respect copyright.PENANAT26q1B6Vlo
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio568Please respect copyright.PENANAOaMxMf8oiH
568Please respect copyright.PENANACj9khXDMZs
568Please respect copyright.PENANAZyhFLO0vad
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。568Please respect copyright.PENANAEygq1Qiiwt
568Please respect copyright.PENANA1EEsOSOngQ
Ref1:https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0245897#pone.0245897.ref007568Please respect copyright.PENANAzhXpmA1JZZ
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6562550/568Please respect copyright.PENANA8ZJMJltVh4
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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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