数字农科院2.0

410份饭豆核心种质的营养成分分析

文献类型: 中文期刊

作者: 胡晴园;江春阳;王素华;么杨;王丽侠

作者机构:

关键词: 饭豆;种质资源;营养成分;代谢物

期刊名称:植物遗传资源学报

ISSN: 1672-1810

年卷期: 2025 年

页码:

收录情况: 北大核心(2023版) ; ; CSCD(2025-2026年度) ; ; 科技核心(2024版) ; ; 农林核心(2024版)

摘要: Abstract:Rice bean (Vigna umbellata (Thunb.) Ohwi & Ohashi) is an underutilized legume crop with considerable potential for nutritional and health-promoting applications, highlighting its promising prospects for future development. In this study, we quantified four major nutritional components—including protein content, starch content, total flavonoid content (TFC), and total polyphenol content (TPC) —in 410 rice bean core accessions. The protein content ranged from 15.9% to 28.2% (mean: 21.0%), and starch content varied between 40.0% and 53.7% (mean: 45.8%). Meanwhile, TFC and TPC ranged from 1.34-7.39 mg RE/g (mean: 4.10 mgRE/g) and 0.80-2.90 mg GAE/g (mean: 2.19 mg GAE/g), respectively. Based on these results, 34 representative accessions were selected for comprehensive untargeted metabolite profiling analysis, which identified 607 metabolites in 12 major categories. Variations in key metabolite classes—such as flavonoids, amino acids and derivatives, alkaloids, and terpenoids—were observed among accessions from different geographic origins. Specifically, accessions from China and Myanmar exhibited the higher flavonoid abundance (19.0% and 19.7%, respectively), while those from Thailand and Laos showed higher levels of amino acids and derivatives (20.1% and 18.3%, respectively). This study provides a valuable dataset to support the evaluation, exploration, and breeding-oriented utilization of high-quality rice bean germplasm resources.

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