紫色可以是從紅加藍而成,這是無容置疑。294Please respect copyright.PENANAbIOYczhKXd
但古時候的人又是從甚麼途徑獲取紫色顏料呢?294Please respect copyright.PENANAhdu9XNGBnX294Please respect copyright.PENANA0tWTu8Gw56
294Please respect copyright.PENANA6tsLAAY6SF
(圖2)紫色顏料其中的一道渠道,就是從骨螺而來。294Please respect copyright.PENANA65eJdlIhRT294Please respect copyright.PENANA8rn8p7NzVG
294Please respect copyright.PENANAiiyza8dBA0
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。294Please respect copyright.PENANAHFZy1U8F0X
294Please respect copyright.PENANAiolXQEjjok
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。294Please respect copyright.PENANATEohpe1rgd
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(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。294Please respect copyright.PENANAUeN6bGCoET294Please respect copyright.PENANAoBpOC21UYo
294Please respect copyright.PENANAXzpjgiI2mu
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。294Please respect copyright.PENANAFuzncBBWUJ
294Please respect copyright.PENANABmjVLwbEaJ
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延伸閱讀:深入淺出–以化學角度審視吶喊名畫294Please respect copyright.PENANA5HNZw7wEKk
- 分享自 LIHKG 討論區294Please respect copyright.PENANAWiMke2Adl9
https://lih.kg/2204104294Please respect copyright.PENANAmGYjmAguzV
294Please respect copyright.PENANAtdAY3bPfS7
294Please respect copyright.PENANAqwcyz1Upuj
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。294Please respect copyright.PENANAAlaUUo8UO5
294Please respect copyright.PENANAld2pC4EDCv
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/toc294Please respect copyright.PENANAZULoxqfRfJ
294Please respect copyright.PENANAi5Dlwn5NpV
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。294Please respect copyright.PENANAi9AGdknSn7
294Please respect copyright.PENANA1NcQ8ChTrt
Link:294Please respect copyright.PENANAJtBa41mSnZ
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio294Please respect copyright.PENANArLcx3VLjMx
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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。294Please respect copyright.PENANARHL7BWSY1c
294Please respect copyright.PENANAew3bd35Bjz
Ref1:https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0245897#pone.0245897.ref007294Please respect copyright.PENANAe1DOy5mIXT
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6562550/294Please respect copyright.PENANAvuMrHpVp4f
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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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