紫色可以是從紅加藍而成,這是無容置疑。481Please respect copyright.PENANAeO4FnyDQY5
但古時候的人又是從甚麼途徑獲取紫色顏料呢?481Please respect copyright.PENANADqn4NlynU4481Please respect copyright.PENANAklz5DFTxhV
481Please respect copyright.PENANAK9K17IrqN5
(圖2)紫色顏料其中的一道渠道,就是從骨螺而來。481Please respect copyright.PENANAjvWICxyFNR481Please respect copyright.PENANAwoG11NGKln
481Please respect copyright.PENANAeIX8d46raa
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。481Please respect copyright.PENANArKM1eMrKXd
481Please respect copyright.PENANAhkektK915v
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。481Please respect copyright.PENANAJr7dFNLAH2
481Please respect copyright.PENANAT1pZ6KZiia
481Please respect copyright.PENANAvP7xqU1snY
(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。481Please respect copyright.PENANA5i3dEJIj9t481Please respect copyright.PENANAV34Z0Y23Lr
481Please respect copyright.PENANAIXsGsJUvsM
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。481Please respect copyright.PENANA531pY1aykT
481Please respect copyright.PENANAg6votCxDwN
481Please respect copyright.PENANAto7qd3Y8sk
延伸閱讀:深入淺出–以化學角度審視吶喊名畫481Please respect copyright.PENANAdBbFddajWC
- 分享自 LIHKG 討論區481Please respect copyright.PENANAhNezbrQQzW
https://lih.kg/2204104481Please respect copyright.PENANARqx7rz5bvJ
481Please respect copyright.PENANAo5IfvIp0TI
481Please respect copyright.PENANA6AqsXX0i0l
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。481Please respect copyright.PENANABZRnGn9rKj
481Please respect copyright.PENANAJcYowFiBU7
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/toc481Please respect copyright.PENANAHA3iwIFZcn
481Please respect copyright.PENANAusqFEWm9K5
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。481Please respect copyright.PENANAIjzWm6xf2j
481Please respect copyright.PENANAFtXfferOIB
Link:481Please respect copyright.PENANAQ36dR1n4AA
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio481Please respect copyright.PENANANJXczy7drE
481Please respect copyright.PENANAjx4o1PqZNs
481Please respect copyright.PENANAeAqyxrZiPY
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。481Please respect copyright.PENANAbCTPn7qZGG
481Please respect copyright.PENANAxe7dIU33EU
Ref1:https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0245897#pone.0245897.ref007481Please respect copyright.PENANAdwy98Nrk6v
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6562550/481Please respect copyright.PENANAktEI5Otfeg