紫色可以是從紅加藍而成,這是無容置疑。569Please respect copyright.PENANAxpSOjdvpcO
但古時候的人又是從甚麼途徑獲取紫色顏料呢?569Please respect copyright.PENANAA9LOPPPvoO569Please respect copyright.PENANAo6uaJMeYzP
569Please respect copyright.PENANAZdWGk2cVAr
(圖2)紫色顏料其中的一道渠道,就是從骨螺而來。569Please respect copyright.PENANAk7bEzFYZfi569Please respect copyright.PENANALRalrk639J
569Please respect copyright.PENANA5oED3p4AeE
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。569Please respect copyright.PENANAatztG68Ni2
569Please respect copyright.PENANAzTm4btBugS
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。569Please respect copyright.PENANAYzkEgwaLmh
569Please respect copyright.PENANABOcbo5ew1a
569Please respect copyright.PENANAKwPUf4dHVe
(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。569Please respect copyright.PENANAjYGJQSSbBm569Please respect copyright.PENANATsKWT6kKfw
569Please respect copyright.PENANAQfgMsqP6RW
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。569Please respect copyright.PENANAmwlSgcqq1T
569Please respect copyright.PENANAly016QEBUD
569Please respect copyright.PENANAGYLjNw6tGV
延伸閱讀:深入淺出–以化學角度審視吶喊名畫569Please respect copyright.PENANAeXqFN8i5Xu
- 分享自 LIHKG 討論區569Please respect copyright.PENANABzMn2ivZoh
https://lih.kg/2204104569Please respect copyright.PENANAVz8vGBdLzV
569Please respect copyright.PENANAG0KHWFgCbR
569Please respect copyright.PENANAGGU9YkZKZk
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。569Please respect copyright.PENANAYgwObHRPw7
569Please respect copyright.PENANAOBAJmKA01d
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/toc569Please respect copyright.PENANA4ELpYUb4HX
569Please respect copyright.PENANA3NzluH6VlK
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。569Please respect copyright.PENANAw26tr0DN6L
569Please respect copyright.PENANAaD1oQMwYjN
Link:569Please respect copyright.PENANAlyUzl02C2T
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio569Please respect copyright.PENANApH5w1RofRP
569Please respect copyright.PENANAJWshsNNSt6
569Please respect copyright.PENANAaueG7HKRK6
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。569Please respect copyright.PENANAP9EaJew9cZ
569Please respect copyright.PENANA538f1xZQOu
Ref1:https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0245897#pone.0245897.ref007569Please respect copyright.PENANAQOf5RKreHU
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6562550/569Please respect copyright.PENANAGASuTqXZXr
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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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