紫色可以是從紅加藍而成,這是無容置疑。496Please respect copyright.PENANAyVtWkdCeDZ
但古時候的人又是從甚麼途徑獲取紫色顏料呢?496Please respect copyright.PENANAYs1KXUwbye496Please respect copyright.PENANAD0adBK7nyu
496Please respect copyright.PENANALPpo2XpIDP
(圖2)紫色顏料其中的一道渠道,就是從骨螺而來。496Please respect copyright.PENANAJ2IAtVCGvb496Please respect copyright.PENANA1g1R1GmmAU
496Please respect copyright.PENANAhXNU1CI2oK
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。496Please respect copyright.PENANAPF2f8DfigV
496Please respect copyright.PENANA5QlRTNsIz7
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。496Please respect copyright.PENANAjR44rhqwnr
496Please respect copyright.PENANAbJgpkAy6PC
496Please respect copyright.PENANAkhTG2EUDa2
(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。496Please respect copyright.PENANALx0IYfcKjl496Please respect copyright.PENANA1YBHMua9r6
496Please respect copyright.PENANAoRugLer10y
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。496Please respect copyright.PENANAtjHmXtCQq8
496Please respect copyright.PENANAG4ZLKZMqeT
496Please respect copyright.PENANAzESfJXlCDR
延伸閱讀:深入淺出–以化學角度審視吶喊名畫496Please respect copyright.PENANAgxzeZNB6ZF
- 分享自 LIHKG 討論區496Please respect copyright.PENANAcp3hmnZPU0
https://lih.kg/2204104496Please respect copyright.PENANANZUjF6gVgm
496Please respect copyright.PENANAuNoNLaM39U
496Please respect copyright.PENANADilB74pivm
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。496Please respect copyright.PENANAxs2rKwZbss
496Please respect copyright.PENANAANkGGX291G
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/toc496Please respect copyright.PENANAumiVpsE1LW
496Please respect copyright.PENANAF6CETmUeBz
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。496Please respect copyright.PENANAhOivjku6Kq
496Please respect copyright.PENANAZEQKWo8qHE
Link:496Please respect copyright.PENANABGpfcRf8ID
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio496Please respect copyright.PENANA5jjQXIRARi
496Please respect copyright.PENANAfjr2KkZKtU
496Please respect copyright.PENANA3ldAAxODiZ
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。496Please respect copyright.PENANAqFiF0HX6uz
496Please respect copyright.PENANAoHavxq08ov
Ref1:https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0245897#pone.0245897.ref007496Please respect copyright.PENANAxSIq4Avl1H
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6562550/496Please respect copyright.PENANAlaRH0VAtzB