紫色可以是從紅加藍而成,這是無容置疑。537Please respect copyright.PENANAEeZw3IzJoM
但古時候的人又是從甚麼途徑獲取紫色顏料呢?537Please respect copyright.PENANAjoNw02wLQF537Please respect copyright.PENANAsCJGi8rld5
537Please respect copyright.PENANA6sZArZMqrx
(圖2)紫色顏料其中的一道渠道,就是從骨螺而來。537Please respect copyright.PENANAUTyoRtN7WK537Please respect copyright.PENANAUGrfHe3zXL
537Please respect copyright.PENANAFPBuxpsn8R
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。537Please respect copyright.PENANAc0lQ231gyx
537Please respect copyright.PENANAlrpM6THuPP
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。537Please respect copyright.PENANAtz1lnWlupm
537Please respect copyright.PENANAXuNOrDzDOf
537Please respect copyright.PENANABsVwvKoIPe
(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。537Please respect copyright.PENANALuoJklZNnb537Please respect copyright.PENANA8WwHdP6Oyq
537Please respect copyright.PENANASaH3wHkan2
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。537Please respect copyright.PENANAGZ9RSzMfVa
537Please respect copyright.PENANArsgOG2Z0Aq
537Please respect copyright.PENANAof0A1inAP4
延伸閱讀:深入淺出–以化學角度審視吶喊名畫537Please respect copyright.PENANAoyCleHPKPQ
- 分享自 LIHKG 討論區537Please respect copyright.PENANAqvUDjB6peP
https://lih.kg/2204104537Please respect copyright.PENANAkQs93N4TLu
537Please respect copyright.PENANAUZVk1oOzPC
537Please respect copyright.PENANA1R10D7nwZM
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。537Please respect copyright.PENANApRBe7rs9Zw
537Please respect copyright.PENANAgHWw9CEGNT
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/toc537Please respect copyright.PENANAQsctdiHsON
537Please respect copyright.PENANAJaxxlbp4IO
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。537Please respect copyright.PENANAmqDFBN1mhB
537Please respect copyright.PENANAshFD9yY4S5
Link:537Please respect copyright.PENANAeW1wfAaST0
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio537Please respect copyright.PENANAnnDMIuCiTX
537Please respect copyright.PENANAl78JRHbM3k
537Please respect copyright.PENANAN2tdniMaJj
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。537Please respect copyright.PENANADvricj4zDG
537Please respect copyright.PENANAvtrTZIMHWy
Ref1:https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0245897#pone.0245897.ref007537Please respect copyright.PENANAw4srnIKz5c
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6562550/537Please respect copyright.PENANAagwpaHCOAf
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科普專欄–薯不揀單
作者:
薯仔聞茱莉

篇 #160
三十秒科學–Royal Purple
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