紫色可以是從紅加藍而成,這是無容置疑。479Please respect copyright.PENANA5oolba6xpl
但古時候的人又是從甚麼途徑獲取紫色顏料呢?479Please respect copyright.PENANAuqx8xqKeaw479Please respect copyright.PENANAXF0anxcWrc
479Please respect copyright.PENANAPsOUE6ivU4
(圖2)紫色顏料其中的一道渠道,就是從骨螺而來。479Please respect copyright.PENANAWjlsURAahF479Please respect copyright.PENANARMpjHSgD7D
479Please respect copyright.PENANAlb3RIXiDww
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。479Please respect copyright.PENANAlPYeG9U1fL
479Please respect copyright.PENANAG4w78wrsnK
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。479Please respect copyright.PENANAjBHi7ifAMG
479Please respect copyright.PENANAWS1cZmcJOC
479Please respect copyright.PENANAE84c0wx0k7
(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。479Please respect copyright.PENANAO7qyAoN0Oh479Please respect copyright.PENANAzbfxBiwlJX
479Please respect copyright.PENANAxMXVexckmO
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。479Please respect copyright.PENANAkidTsx8wTB
479Please respect copyright.PENANAuQCXacVh6M
479Please respect copyright.PENANAUrrZuOgGQx
延伸閱讀:深入淺出–以化學角度審視吶喊名畫479Please respect copyright.PENANAZf6M0dDwf2
- 分享自 LIHKG 討論區479Please respect copyright.PENANAJUWuny9aro
https://lih.kg/2204104479Please respect copyright.PENANAP4if0EcxzB
479Please respect copyright.PENANA5SsyUyYX4L
479Please respect copyright.PENANAhUa0BaTWwX
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。479Please respect copyright.PENANABTEdb5b3yv
479Please respect copyright.PENANALvH4pQCpCf
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/toc479Please respect copyright.PENANA2RZ20hMrmd
479Please respect copyright.PENANA6rjrgoU9K2
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。479Please respect copyright.PENANA0kb24JmKpJ
479Please respect copyright.PENANAbgyqGROGlU
Link:479Please respect copyright.PENANArddFGdLeoN
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio479Please respect copyright.PENANAgrmnp9AqjA
479Please respect copyright.PENANANddMLbLIaf
479Please respect copyright.PENANAjeJZCORxKv
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。479Please respect copyright.PENANAqW2FQtS2C1
479Please respect copyright.PENANALVhZAsG7Lm
Ref1:https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0245897#pone.0245897.ref007479Please respect copyright.PENANAGDFMDicOfK
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6562550/479Please respect copyright.PENANA37hlpIln5i