The Combination of Selenium and LED Light Quality Affects Growth and Nutritional Properties of Broccoli Sprouts.
The Combination of Selenium and LED Light Quality Affects Growth and Nutritional Properties of Broccoli Sprouts.
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DOI：
10.3390/molecules25204788
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发表时间：
2020-10-19
期刊：
影响因子：
--
通讯作者：
Liu H
中科院分区：
文献类型：
--
作者：
He R;Gao M;Shi R;Song S;Zhang Y;Su W;Liu H
以青花菜为试材，研究了不同LED光质和补硒对青花菜幼苗生长、营养品质、硫代葡萄糖甙和矿质元素含量的影响。试验设5个处理：CK：1 R1 B1 G、1 R1 B1 G +Se（100 μmol L−1 Na 2SeO 3）、1 R1 B +Se、1 R2 B +Se、2 R1 B +Se、60 μmol m−2 s−1 PPFD、12 h/12 h（光/暗）。硒和LED光质组合处理的芽苗菜鲜重变化不显著，但下胚轴长度缩短，水分含量降低，干重增加，尤以1 R2 B +Se处理效果最好。硒与LED光质的结合显著提高了番茄果实中类胡萝卜素、可溶性蛋白质、可溶性糖、维生素C、总黄酮、总多酚、总硫代葡萄糖苷和有机硒的含量。热图和主成分分析结果表明，1 R2 B +Se处理的青花菜芽菜营养品质和保健物质含量均高于其他处理。这表明，在适当的LED灯下补硒可能有利于硒生物强化西兰花芽生产。
Selenium (Se) supplement was combined with different LED light qualities to investigate mutual effects on the growth, nutritional quality, contents of glucosinolates and mineral elements in broccoli sprouts. There were five treatments: CK:1R1B1G, 1R1B1G+Se (100 μmol L−1 Na2SeO3), 1R1B+Se, 1R2B+Se, 2R1B+Se, 60 μmol m−2 s−1 PPFD, 12 h/12 h (light/dark). Sprouts under a combination of selenium and LED light quality treatment exhibited no remarkable change fresh weight, but had a shorter hypocotyl length, lower moisture content and heavier dry weight, especially with 1R2B+Se treatment. The contents of carotenoid, soluble protein, soluble sugar, vitamin C, total flavonoids, total polyphenol and contents of total glucosinolates and organic Se were dramatically improved through the combination of Se and LED light quality. Moreover, heat map and principal component analysis showed that broccoli sprouts under 1R2B+Se treatment had higher nutritional quality and health-promoting compound contents than other treatments. This suggests that the Se supplement under suitable LED lights might be beneficial to selenium-biofortified broccoli sprout production.
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影响因子：
6.1
作者：
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影响因子：
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影响因子：
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影响因子：
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