ArticleFrontiers in nutrition2026
Physicochemical characteristics and metabolomic profiling of representative rice cultivars distinct in eating quality.
Article in Frontiers in nutrition, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
This study aimed to identify shared physicochemical disparities between high eating quality rice and conventional high-yield cultivars across indica and japonica subspecies, and screen core taste-related trait indicators, while characterizing intrasubtype metabolic variation in indica rice. Four representative rice cultivars (two premium fragrant rice: Yuzhenxiang, Daohuaxiang No. 2; two high-yield rice: Huanghuazhan, Kendao 2066) were comprehensively evaluated via sensory, texture, RVA and multi-component quantitative detection; Untargeted metabolomics was further performed on the two indica cultivars Yuzhenxiang and Huanghuazhan. Rice with superior eating quality featured low protein, amino acids and citric acid, moderate soluble sugars, abundant 2-AP, elevated amylopectin long/short chain ratio and low gelatinization temperature. A total of 1,318 differential metabolites were identified, with arginine biosynthesis and linoleic acid metabolism as the most significantly enriched pathways. A three-indicator multiple linear regression model with
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