DIFFERENCES IN NUTRIENT FUNCTIONAL COMPOSITION AMONG DIFFERENT TYPES OF GRAINS IN BARLEY (HORDEUM VULGARE L.) RECOMBINANT INBRED LINES

文献类型： 外文期刊

第一作者： Yang, X.

作者： Yang, X.;Ahmed, H. G. M. D.;Pu, X.;Li, X.;Yang, L.;Yang, G.;Guan, X.;Tian, J.;Zeng, Y.;Ahmed, H. G. M. D.;Yang, L.;Guan, X.;Tian, J.;Iqbal, R.;Iqbal, R.;Akram, M. I.;Alwahibi, M.;Elshikh, M. S.

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关键词： barley; anthocyanin; amylose; beta-glucan; protein; correlation

期刊名称：APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH （ 影响因子：0.6； 五年影响因子：0.8 ）

ISSN： 1589-1623

年卷期： 2025 年 23 卷 4 期

页码：

收录情况： SCI

摘要： This study aimed to investigate the genetic variation, environmental effects, and trait interrelationships in the nutrient and functional composition of barley (Hordeum vulgare L.) grains. A total of 193 recombinant inbred lines (RILs), derived from a cross between Ziguangmangluoerleng (ZGMLEL) and Schooner, along with their parental lines, were evaluated to identify promising genotypes for nutritional improvement and breeding. Field trials were conducted over three consecutive years (2021-2023) using a randomized complete block design with three replications. Analysis of variance (ANOVA) revealed highly significant (p < 0.01) effects of genotype and year on all studied traits, total anthocyanin (Tac), moisture, amylose, starch, beta-glucan (BG), fatty acid (FA), and protein content, indicating both genetic and environmental influences. However, the genotype-by-year interaction was non-significant (p > 0.05) for most traits, suggesting stable genetic rankings across years. The mean values of Tac ranged from 0.14 (2022) to 1.57 (2023), with genotype z79 consistently exhibiting the highest levels (1.35 in 2021, 1.09 in 2022, and 1.57 in 2023). Starch content was relatively stable, with a maximum of 55.80% (2021), while amylose varied from 15.00% (2023) to 27.02% (2021). BG content showed significant fluctuations, with means ranging from 6.79% (2023) to 9.29% (2022). Fatty acid and protein contents also varied, with protein reaching a maximum of 23.81% in 2023. Genotypes z79, z11, z95, and z146 consistently outperformed the parental means, making them promising candidates for breeding programs aimed at enhancing nutritional quality and functional food applications. Correlation analysis highlighted key trade-offs, particularly a strong negative correlation between starch and protein (-0.90** in 2021,-0.85* in 2022 and-0.82** in 2023), and a strong positive correlation between amylose and BG (0.34** in 2023). These findings provide valuable insights for breeding programs aimed at improving the nutritional quality of barley.

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