Study of isobaric grape seed proanthocyanidins by MALDI-TOF MS.
作者： Fabiola De Marchi , Roberta Seraglia , Laura Molin , Pietro Traldi , Antonio Dalla Vedova
DOI: 10.1002/JMS.3422
关键词:
摘要: Positive matrix-assisted laser desorption ionization (MALDI) spectra of grape seed raw extracts show the signals putative proanthocyanidin (PA) oligomers, including those several sodium and potassium adducts with same nominal molecular weight. As a result, MALDI time-of-flight profiles are characterized by isobaric from different PAs. The presence PA was studied exchange experiments on six varieties. This approach effective in differentiating PAs signals, 15 were identified all samples. Copyright © 2014 John Wiley & Sons, Ltd.
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