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Table 1 Proposed phytochemical constituents in methanol extract of C. mimosoides using LC-MS

From: Leaf extract of Caesalpinia mimosoides enhances oxidative stress resistance and prolongs lifespan in Caenorhabditis elegans

Peak No. Rt (min) [M + H]+ (m/z) Area (%) Proposed compound Theoretical mass Mass error (ppm)
12 1.8 146.0824 5.9 4-Aminomethylindole 145.0766 9
17 2.0 256.1181 3.0 N-D-Glucosylarylamine 255.1107 0
36 6.4 171.0288 4.4 Gallic acid 170.0215 0
40 6.9 345.0818 5.6 Theogallin 344.0743 0
52 7.7 329.0869 1.6 Bergenin 328.0794 0
58 8.4 185.0461 13.0 3-O-Methylgallate 184.0372 8
59 8.4 185.0445 7.2 3-O-Methylgallate 184.0372 0
62 8.8 481.0979 1.1 Quercetin-3′-glucuronide 480.0904 0
66 9.2 465.1032 1.6 Quercetin-3-O-glucoside 464.0955 0
88 12.0 415.2117 2.3 Clausarinol 414.2042 0
95 13.4 279.1588 5.7 Emmotin A 278.1518 1
  1. Database: METLIN (CA, USA) and KNApSAcK Keyword Search Web Version 1.000.01
  2. The observed m/z values of putative compounds were compared with the METLIN (CA, USA) and the KNApSAcK (Keyword Search Web Version 1.000.01) database). The five major phytochemical compounds tentatively identified were 3-O-methylgallate, 4-aminomethylindole, emmotin A, theogallin and gallic acid