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LED红蓝复合光对豌豆芽苗菜产量和营养品质的影响 被引量:10

Effects of LED Light Exposure on Yield and Nutritional Quality of Pea Sprouts
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摘要 探究LED红蓝复合光对豌豆芽苗菜产量和营养品质的影响,以期为豌豆芽苗菜工厂化生产的专用光源的研制提供依据。选取3种基因型豌豆品种,豌豆黑暗催芽后,进行LED白光及红蓝光比例为1∶3、1∶1、3∶1等的4个光照处理。采用常温水培的方式,取照光5d的豌豆芽苗菜的叶和茎,测定可食部分长、可食率等生长指标及抗氧化物质、可溶性蛋白等营养物质的含量。相比白光处理,红蓝3∶1复合光显著提高了3种豌豆芽苗菜的可食率、全株鲜重等部分生长指标;同时也提高了可溶性糖、抗坏血酸等营养物质的含量;此外,不同的红蓝光比例影响不同,红光有利于豌豆芽苗菜的可溶性糖和抗氧化物质积累,蓝光有利于可溶性蛋白的积累。LED红蓝3∶1复合光可有效提高豌豆芽苗菜的生长产量和营养品质,是培养豌豆芽苗菜的适宜LED红蓝复合光谱。 To determine the effects of light exposureon pea sprout cultivation and quality,different LED lamps were used on the peas of 3 genotypes.Sprouts were germinated in complete darkness,then,exposed to white(control)orred and blue LEDlampsin combination ratio of 1∶3,1∶1 or 3∶1 in a hydroponic bed at ambient temperature to grow for 5 d.Leaves and stems of the sprouts were collected for measurements on antioxidant,soluble sugars and soluble protein,as well as the growth indicators,such as length and percentage of edible portion.Compared to control,the 3∶1 LEDcombination significantly increased the contents of ascorbic acid,soluble sugars,total phenols and flavonoids in the pea sprouts.Although blue LED tended to promote protein formation in the sprouts,it was concluded that a combined exposure to red and blue LED lamps in a ratio of 3∶1 would best improve the overall growth and nutritional quality of the pea sprouts,and thus,recommended forlarge-scale application.
出处 《福建农业学报》 CAS 北大核心 2017年第10期1091-1095,共5页 Fujian Journal of Agricultural Sciences
基金 江苏省农业科技自主创新资金项目[CX(15)1040]
关键词 LED红蓝复合光 豌豆 抗氧化物质 可溶性糖 可溶性蛋白 LED red and blue lamps pea antioxidant soluble sugar soluble protein
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