科普專欄–薯不揀單 - 三十秒科學–配以紫外光種植生菜

植物的生長全賴光合作用提供能量及資源。在這層面上，所選用的光源亦是一大學問。457Please respect copyright.ＰＥＮＡＮＡ3m5AxE9Ev9
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（圖2）葉綠素(Chlorophyll)為植物吸收光線的重要位置。457Please respect copyright.ＰＥＮＡＮＡ2wJHGl8c8U
利用化學物分離葉綠素的話，共可分為葉綠素a及葉綠素b兩大部份。457Please respect copyright.ＰＥＮＡＮＡ8EDAAIwWnJ
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葉綠素a主要吸收紅光，而葉綠素b則主要吸收藍光。457Please respect copyright.ＰＥＮＡＮＡCNXPeKRLQQ
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綠光並沒有有效地被葉綠素吸收的關係，因此葉綠素在我們的眼中呈為綠色。457Please respect copyright.ＰＥＮＡＮＡ8JI6lFLXSq
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（圖3）近來有研究發現，配合日照再加上紫外線燈(UVA)的方式種植，生菜的葉綠素、蛋白質、維他命C及糖粉對比單獨日照方式種植更之為高，而硝酸鹽的成份則有所降低。457Please respect copyright.ＰＥＮＡＮＡVt7prAymXy
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這有可能是紫外線對植物的新陳代謝產生變化所致，還需要進一步的研究才能證實。457Please respect copyright.ＰＥＮＡＮＡ5KwGgxJwdx
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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。457Please respect copyright.ＰＥＮＡＮＡ0VRehSdiv8
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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。457Please respect copyright.ＰＥＮＡＮＡVEnUTZrr1J
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Ref1:https://www.sciencedirect.com/science/article/pii/S0308814620325899?via%3Dihub#t0010457Please respect copyright.ＰＥＮＡＮＡ5b51dWc4aP

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