Chinese Journal of Magnetic Resonance >
Quantitative Analysis of Metabolites in Mungbean (Vigna Radiata) Extracts using NMR Techniques
Received date: 2014-01-08
Revised date: 2014-11-06
Online published: 2014-12-05
Supported by
国家自然科学基金资助项目(21175149, 21221064).
Mungbean (Vigna radiata) is an important crop that has various beneficial functions such as antioxidant and anti-inflammatory activities. However, the metabolites in mungbean have only been partially identified and quantified in previous studies. In this study, we systematically identified and assigned 48 metabolites in mungbean (Elü No.4) seeds with J-RES, COSY, TOCSY, HSQC, HMBC and 2D NMR spectra. In particular, the composition of raffinose family oligosaccharides in the extracts was determined using DOSY experiments. Most of the metabolites in the extracts were quantified. This study will provide useful information for mungbean metabolomic and nutritional studies.
Key words： nuclear magnetic resonance; assignment; 2D NMR; mungbean; quantification
WU Xiang-yu1 , 2 , LI Ning1 , 2 , TANG Hui-ru1* . Quantitative Analysis of Metabolites in Mungbean (Vigna Radiata) Extracts using NMR Techniques[J]. Chinese Journal of Magnetic Resonance, 2014 , 31(4) : 548 -563 . DOI: 10.11938/cjmr20140409
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