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。530Please respect copyright.PENANA1aiOhIsw9j530Please respect copyright.PENANAAtKM2CyAqR
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(圖2)葉綠素(Chlorophyll)為植物吸收光線的重要位置。530Please respect copyright.PENANAOsMdgTAL4w
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。530Please respect copyright.PENANAdV886tSFip530Please respect copyright.PENANAU5l6jtScyM
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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。530Please respect copyright.PENANASB4aDLYeXo
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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。530Please respect copyright.PENANAHY16taXxnP
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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。530Please respect copyright.PENANAnSM2b8qgos530Please respect copyright.PENANAn8sV5gpiGZ
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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。530Please respect copyright.PENANAGFYWth1w2Z
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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。530Please respect copyright.PENANAyDfkQSb97x
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Ref1:https://www.sciencedirect.com/science/article/pii/S0308814620325899?via%3Dihub#t0010530Please respect copyright.PENANAO61uhHKO7o