紫色可以是從紅加藍而成,這是無容置疑。564Please respect copyright.PENANAUkEsU96Cwr
但古時候的人又是從甚麼途徑獲取紫色顏料呢?564Please respect copyright.PENANAMRpaXGINZm564Please respect copyright.PENANAJWBsqmJ25B
564Please respect copyright.PENANA8uRoJ0zOq4
(圖2)紫色顏料其中的一道渠道,就是從骨螺而來。564Please respect copyright.PENANAFD0dIk1wdr564Please respect copyright.PENANAFxkuXr9Xsu
564Please respect copyright.PENANAalkdZQDhwH
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。564Please respect copyright.PENANAbhf5UjgeMG
564Please respect copyright.PENANAOXKXv08oJU
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。564Please respect copyright.PENANAfNzzfR5RB1
564Please respect copyright.PENANAtSjpZMpmZS
564Please respect copyright.PENANAMpcKoj8q0N
(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。564Please respect copyright.PENANAu8qoBk5SyC564Please respect copyright.PENANAINEgahhQTI
564Please respect copyright.PENANA4Ow4snVlbz
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。564Please respect copyright.PENANA8xctmyydcr
564Please respect copyright.PENANAxGdTenhc5J
564Please respect copyright.PENANAAiYeNTl2w6
延伸閱讀:深入淺出–以化學角度審視吶喊名畫564Please respect copyright.PENANAX7s2AQrgid
- 分享自 LIHKG 討論區564Please respect copyright.PENANAuOq4xsv6cx
https://lih.kg/2204104564Please respect copyright.PENANAgKEMsBz3be
564Please respect copyright.PENANAvNOtTNsWzC
564Please respect copyright.PENANA0Hc5YUwRPJ
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。564Please respect copyright.PENANAgDSUOtieJP
564Please respect copyright.PENANATOCm0lM6Tg
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/toc564Please respect copyright.PENANABedybzOK8W
564Please respect copyright.PENANAiEPkMyCh7O
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。564Please respect copyright.PENANA7TOoKS1Bax
564Please respect copyright.PENANAHTSKjqzy04
Link:564Please respect copyright.PENANARBirPpFQnI
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio564Please respect copyright.PENANA5LfaYtQyob
564Please respect copyright.PENANANghMjC1QQN
564Please respect copyright.PENANAABFjzDYZT3
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。564Please respect copyright.PENANAWVwI2H8vqJ
564Please respect copyright.PENANAzqUA0jp6O9
Ref1:https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0245897#pone.0245897.ref007564Please respect copyright.PENANAHNbPgpulY2
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6562550/564Please respect copyright.PENANA19y0nr3a7P
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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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