Selenium distribution, translocation and speciation in wheat (Triticum aestivum L.) after foliar spraying selenite and selenate
文献类型: 外文期刊
作者: Di X.; Qin X.; Zhao L.; Liang X.; Xu Y.; Sun Y.; Huang Q.
作者机构:
关键词: Grain (agricultural product); Plants (botany); Selenium compounds; Biofortification; High rate; Low rates; Selenia intake; Selenia species; Selenium concentrations; Wheat; Wheat (Triticum aestivum L.); Wheat grains; Wide spreads; Selenium; selenate; selenite; selenium; selenic acid; selenious acid; Article; biofortification; chemical analysis; controlled study; correlation analysis; dietary intake; estimated daily intake; factor analysis; grain; internode; risk assessment; risk factor; selenium intake; species differentiation; Triticum aestivum; wheat; food grain; wheat; Edible Grain; Selenic Acid; Selenious Acid; Selenium; Triticum
期刊名称: Food Chemistry
ISSN: 0308-8146
年卷期: 2023 年 400 卷
页码:
收录情况: SCIE(2023版) ; ; EI(2023版)
摘要: Given the wide–spread consumption of wheat, the production of selenium (Se)–enriched wheat grain may be an effective method to increase the dietary Se intake in many Se–deficient areas. Herein, we biofortified wheat (Triticum aestivum L.) via the foliar spraying of selenate or selenite at low or high rate, and investigated the resulting Se distribution in different wheat parts and the crucial parts involved in grain Se accumulation. Results showed that Se concentration in grain after selenite spraying was 1.5 times higher than that of selenate. Grain Se accumulation was largely affected by leaves Se and the transfer of Se from node1 to internode1. Furthermore, the main speciation of Se in wheat grain was the organic Se. In addition, the optimal dosage was 15 g ha−1. In summary, foliar spraying 15 g ha−1 of Se is an effective and safe agronomic biofortification practice. © 2022 Elsevier Ltd
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