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。540Please respect copyright.PENANAiycJUSM9MT540Please respect copyright.PENANAF9inCJkTBa
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(圖2)葉綠素(Chlorophyll)為植物吸收光線的重要位置。540Please respect copyright.PENANAHP7ApUFc3o
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。540Please respect copyright.PENANAu0qJS9rWZL540Please respect copyright.PENANAMdfZtoACyg
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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。540Please respect copyright.PENANAY2dq3j8Bnt
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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。540Please respect copyright.PENANATAtpQDqsZV
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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。540Please respect copyright.PENANAF7XGbnUbvD540Please respect copyright.PENANA1APOlyhUTw
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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。540Please respect copyright.PENANAeUeIhrId7M
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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。540Please respect copyright.PENANAPj4pUmIBo3
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Ref1:https://www.sciencedirect.com/science/article/pii/S0308814620325899?via%3Dihub#t0010540Please respect copyright.PENANAMW6CPnvNcK