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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