激光生物学报, 2015, 24 (6): 0556, 网络出版: 2016-01-20  

单色光对小麦草营养成分的影响

Monochromatic Light Effects on the Nutritional Content of Wheat Grass
作者单位
1 中国海洋大学信息科学与工程学院,山东 青岛 266100
2 青岛农业大学生命科学院,山东 青岛 266109
摘要
以小麦草为研究对象,通过LED光照实验,探究不同光质对小麦草营养品质指标(叶绿素含量,可溶性蛋白含量,可溶性糖含量,超氧化物歧化酶(SOD)活性,总酸度,脯氨酸含量)的影响。采用与小麦草光合作用吸收光谱吻合的大功率红、蓝LED灯,红光峰值波长为655 nm,蓝光峰值波长为438 nm,带宽均为30 nm左右,对小麦萌发后幼苗进行为期10天的实验室光照培养箱培养,与日光培养对照,然后测定营养品质指标。除光质为变量外,保持其余生长环境一致,实验结果表明: 红光有利于提高小麦草叶绿素含量、可溶性糖含量和SOD活性;蓝光有利于提高可溶性蛋白含量、总酸度含量和脯氨酸含量。通过红光和蓝光照射,有利于改善小麦草的营养品质。
Abstract
The purpose of this paper is through the LED illumination experiment taking the wheat straw as the research object, to explore the effects of different light quality on the nutrition quality indicators of wheat grass which are chlorophyll content, soluble protein content, soluble sugar content, SOD activity, total acidity and proline.We used high-power red, blue LED lights which consistents wheat grass photosynthesis absorption spectrum. Red peak wavelength is 655 nm, the blue peak wavelength is 438 nm, Bandwidth are about 30 nm. After germination of wheat seedlings for a 10-day laboratory light incubation, contrast with sunlight culture, then determine nutritional quality indicators. regarded light quality as a variable, the rest of the growing environment are the same. The results show that red help improve wheat grass chlorophyll content, soluble sugar content and SOD activity; blue will help improve the soluble protein content, total acidity and proline content. By red and blue light, it helps to improve the nutritional quality of wheat grass.

李国强, 苗洪利, 刘洪庆, 王小娟. 单色光对小麦草营养成分的影响[J]. 激光生物学报, 2015, 24(6): 0556. LI Guoqiang, MIAO Hongli, LIU Hongqing, Wang Xiaojuan. Monochromatic Light Effects on the Nutritional Content of Wheat Grass[J]. Acta Laser Biology Sinica, 2015, 24(6): 0556.

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