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Table 1 Compounds in the P2Et fraction.

From: A gallotannin-rich fraction from Caesalpinia spinosa (Molina) Kuntze displays cytotoxic activity and raises sensitivity to doxorubicin in a leukemia cell line

MS (m/z) Reported m/z Possible compounds Relative abundance* (%)
344 344 1-O-galloylquinic acid 162,76
  344 3-O-galloylquinic acid  
  344 4-O-galloylquinic acid  
  344 5-O-galloylquinic acid  
496 496 3,4-di-O-galloylquinic acid 38,13
  496 3,5-di-O-galloylquinic acid  
  496 4,5-di-O-galloylquinic acid  
  648 1,3,4-tri-O-galloylquinic acid  
648 648 1,3,5-tri-O-galloylquinic acid 15,73
  648 1,4,5-tri-O-galloylquinic acid  
  648 3,4,5-tri-O-galloylquinic acid  
991 991 Pentagalloylglucose 7,43
322 322 Digallate 15,82
183 183 Methyl gallate 15,98
335 335 Methyl digallate 3,14
  1. M/z ratio of C.spinosa reported compounds and compounds from the P2Et fraction matching the m/z ratio. The relative abundance is expressed as % of quercetin (internal standard)