Abstract
A high-performance liquid chromatography method coupled with mass spectrometry and chemometric analysis has been developed for the quality evaluation of wild and cultivated soybean as well as bean products. Fifteen isoflavones were qualified by LC–MS and quantified by HPLC. The assay results demonstrated that the type of isoflavones was quite similar between cultivated and wild soybean, and 6″-O-malonylglucosides were the main ingredients in soybean, while glucosides and aglycones were abundant in bean products. Moreover, the unsupervised chemometric methods including principal component analysis (PCA) and cluster analysis revealed that different species, geographic locations, and the processing methods have great influences on the chemical properties of soybean and bean products. In conclusion, HPLC coupled with chemometric techniques would be a very flexible and reliable method for dietary selection of soybean and bean products.
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This research was financially supported by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD). The author greatly appreciates **ao-**ao Liu, Jie Yang, and Mei-Ting Ren for the technical help and experiment constructions.
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Hong, JL., Qin, XY., Shu, P. et al. Comparative study of isoflavones in wild and cultivated soybeans as well as bean products by high-performance liquid chromatography coupled with mass spectrometry and chemometric techniques. Eur Food Res Technol 233, 869–880 (2011). https://doi.org/10.1007/s00217-011-1564-z
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DOI: https://doi.org/10.1007/s00217-011-1564-z