叶面施肥亚硒酸盐对猕猴桃有机硒和抗氧化活性的影响

IF 1.2 4区 农林科学 Q3 HORTICULTURE
Yun-mei Lu, Mao Mu, Li-ai Wang, Ren-hua Huang
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引用次数: 0

摘要

提高水果中的硒浓度有可能增加人类平均膳食硒摄入量。通过喷洒方法施用硒肥是生产富硒水果的有效方法。众所周知,猕猴桃(Actinidia chinensis)具有蓄积硒的能力,但在中国四川种植的 "红阳 "品种硒含量较低。在开花期,用每升含 10、25、50 和 100 毫克亚硒酸钠(Na2SeO3)的水溶液喷洒该树的叶子。研究了果皮、果肉和种子中的总硒和有机硒含量,以及不同浓度的 Na2SeO3 对抗氧化活性的影响。研究结果表明,猕猴桃具有将外源吸收的无机硒转化为有机硒的能力。经 50 mg L-1 亚硒酸钠处理的果肉中的有机硒含量是对照处理的 9.04 倍。此外,蛋白质硒被确定为有机硒的主要成分,占纸浆的 48.04-51.15%。蛋白硒是有机硒的主要成分,在纸浆中的比例为 48.04-51.15%。通过叶面喷施 50 和 100 mg L-1 亚硒酸钠,可显著提高所有组织的铁还原/抗氧化能力(FRAP)和氧自由基吸收能力(ORAC)值。FRAP 值与果肉中的有机 Se 含量呈明显的正相关,ORAC 值与猕猴桃组织中的蛋白质-Se 和多糖-Se 含量呈明显的回归方程关系。一般来说,Se 的最佳施用量为 50 mg L-1,一些严重缺硒地区可施用 100 mg L-1 亚硒酸盐。亚硒酸盐可作为膳食补充剂的硒来源或营养保健品的配料。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Effect of Foliar Application of Selenite On Organic Se and Antioxidant Activity in Kiwifruit

Effect of Foliar Application of Selenite On Organic Se and Antioxidant Activity in Kiwifruit

Elevating the selenium concentration in fruit has the potential to enhance the average dietary selenium intake in humans. The application of selenium fertilizer through a spraying method has been found to be an effective approach for producing selenium-enriched fruit. While kiwifruit (Actinidia chinensis) is known for its ability to accumulate selenium, the ‘Hongyang’ variety grown in Sichuan, China has been observed to have low selenium content. The tree was treated by spraying the leaves with water solution containing 10, 25, 50 and 100 mg per litre in the form of sodium selenite (Na2SeO3) in the flowering period. The total Se and organic Se content, and the effects of different concentrations of Na2SeO3 on antioxidant activity in peels, pulps and seeds of fruits were investigated. The findings indicated that kiwifruit has the ability to transform exogenously absorbed inorganic selenium into organic selenium. The organic selenium content in the pulps treated with 50 mg L−1 sodium selenite was 9.04 times higher than in the control treatment. Furthermore, protein-Se was identified as the main component of organic selenium, comprising 48.04–51.15% of the pulps. The protein-Se is the primary component of organic Se, which the proportion in pulps was 48.04–51.15%. The application of 50 and 100 mg L−1 sodium selenite via foliar spraying resulted in a notable enhancement of ferric reducing/antioxidant power (FRAP) and oxygen radical absorbance capacity (ORAC) values across all tissues. A significant positive correlation between FRAP value and organic Se content in pulps, and a significant relationship between ORAC values and protein-Se and polysaccharide-Se content of kiwifruit tissue showed regression equation. In general, the optimum Se application is 50 mg L−1, and some areas with a severe selenium deficiency can apply 100 mg L−1 selenite. It might serve as a source of selenium in dietary supplements or as an ingredient for the formulation of nutraceuticals.

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来源期刊
Erwerbs-Obstbau
Erwerbs-Obstbau 农林科学-园艺
CiteScore
1.70
自引率
15.40%
发文量
152
审稿时长
>12 weeks
期刊介绍: Erwerbs-Obstbau ist als internationales Fachorgan die führende Zeitschrift für Wissenschaftler, Berater und Praktiker im Erwerbsobstbau. Neben den wirtschaftlich führenden Obstarten widmet sich die Zeitschrift auch den Wildobstarten bzw. neuen Obstarten und deren zukünftige Bedeutung für die Ernährung des Menschen. Originalarbeiten mit zahlreichen Abbildungen, Übersichten und Tabellen stellen anwendungsbezogen den neuesten Kenntnisstand dar und schlagen eine Brücke zwischen Wissenschaft und Praxis. Die nach einem Begutachtungsprozeß zur Publikation angenommenen Originalarbeiten erscheinen in deutscher und englischer Sprache mit deutschem und englischem Titel. Review-Artikel, Buchbesprechungen und aktuelle Fachinformationen runden das Angebot ab.
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