Flavonoid localization in soybean seeds: Comparative analysis of wild (Glycine soja) and cultivated (Glycine max) varieties
文献类型： 外文期刊
作者： Ren, Zhentao 1 ; Yin, Xin 1 ; Liu, Laipan 1 ; Zhang, Li 1 ; Shen, Wenjing 1 ; Fang, Zhixiang 1 ; Yu, Qi 1 ; Qin, Liang 2 ; Chen, Lulu 2 ; Jia, Ruizong 3 ; Wang, Xiaodong 2 ; Liu, Biao 1 ;
作者机构： 1.Minist Ecol & Environm China, Nanjing Inst Environm Sci, Nanjing 210042, Peoples R China
2.Minzu Univ China, Key Lab Mass Spectrometry Imaging & Metabol, State Ethn Affairs Commiss, Beijing 100081, Peoples R China
3.Chinese Acad Trop Agr Sci, Sanya Res Inst, Hainan Key Lab Biosafety Monitoring & Mol Breeding, Sanya 572011, Peoples R China
关键词： Soybean seed; Coat; Embryo; Flavonoid; Metabolomics; MALDI-MSI
期刊名称：FOOD CHEMISTRY （ 影响因子：8.5； 五年影响因子：8.2 ）
ISSN： 0308-8146
年卷期： 2024 年 456 卷
页码：
收录情况： SCI
摘要： Wild soybean (Glycine soja) is known for its high flavonoid contents, yet the distribution of flavonoids in the seeds is not well understood. Herein, we utilized matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI) and metabolomics methods to systematically investigate flavonoid differences in the seed coats and embryos of G. soja and G. max. The results of flavonoid profiles and total flavonoid content analyses revealed that flavonoid diversity and abundance in G. soja seed coats were significantly higher than those in G. max whereas the levels were similar in embryos. Specifically, 23 unique flavonoids were identified in the seed coats of G. soja, including procyanidins, epicatechin derivatives, and isoflavones. Using MALDI-MSI, we further delineated the distribution of the important flavonoids in the cotyledons, hypocotyls, and radicles of the two species. These findings imply that G. soja holds considerable breeding potential to enhance the nutritional and stress resistance traits of G. max.
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