紫色可以是從紅加藍而成,這是無容置疑。515Please respect copyright.PENANATLOCkfwwrI
但古時候的人又是從甚麼途徑獲取紫色顏料呢?515Please respect copyright.PENANAcu2eJ7CEhS515Please respect copyright.PENANA1OSOuTXrQT
515Please respect copyright.PENANA2ZHEMLpvyL
(圖2)紫色顏料其中的一道渠道,就是從骨螺而來。515Please respect copyright.PENANApO0qh841L0515Please respect copyright.PENANAl0aEO3xlCY
515Please respect copyright.PENANASvEM2FCyPB
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。515Please respect copyright.PENANACFztKLR4Al
515Please respect copyright.PENANAELGOIKAmH8
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。515Please respect copyright.PENANA65BZ67YaL6
515Please respect copyright.PENANAcABZEZxUu1
515Please respect copyright.PENANAJeLCW1YIf3
(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。515Please respect copyright.PENANAyo307H6pXo515Please respect copyright.PENANAYSk8F2tzIo
515Please respect copyright.PENANAcYo4GvPGrv
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。515Please respect copyright.PENANAUYzwtDUuzM
515Please respect copyright.PENANAxUVBH3CXpY
515Please respect copyright.PENANAHqfLbAqLHt
延伸閱讀:深入淺出–以化學角度審視吶喊名畫515Please respect copyright.PENANAPTXhEB7m0b
- 分享自 LIHKG 討論區515Please respect copyright.PENANAJ1FgERjQ0R
https://lih.kg/2204104515Please respect copyright.PENANAVEI3pHQMrp
515Please respect copyright.PENANAWDnZH9ehmQ
515Please respect copyright.PENANAdZBJoWiSXg
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。515Please respect copyright.PENANAIZ65IMdton
515Please respect copyright.PENANAPgbVrmdqyz
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/toc515Please respect copyright.PENANAph9P53OJR2
515Please respect copyright.PENANAeRIa79GuQW
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。515Please respect copyright.PENANAWdUQrNxl6d
515Please respect copyright.PENANAubEudYcZG5
Link:515Please respect copyright.PENANAgah8eBBTrT
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio515Please respect copyright.PENANA0KbHkv8Tmu
515Please respect copyright.PENANA2o3YavQghk
515Please respect copyright.PENANAcCmfG9eyIQ
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。515Please respect copyright.PENANADeXZxIW4Vi
515Please respect copyright.PENANAL9Lj4FAGQ8
Ref1:https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0245897#pone.0245897.ref007515Please respect copyright.PENANAiPMa0JVXTq
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6562550/515Please respect copyright.PENANArKYI3vTO9w