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Table 1 The observed and calculated mass numbers of HPLC peaks of SMGGT

From: Anti-wrinkle effects of Seungma-Galgeun-Tang as evidenced by the inhibition of matrix metalloproteinase-I production and the promotion of type-1 procollagen synthesis

Peak No.

RT (min)

Theoretical mass [M + H]+

Observed Mass [M + H]+

Mass difference (mmu)

Fragment ions

Identification

Reference

1

51.93

417.11854

417.11338

−5.16

297.06931

puerarin

[21]

2

53.96

481.17096

481.17640

5.44

179.06642

paeoniflorin

[21]

3

55.91

447.12910

447.12316

−5.94

429.11301

327.07994

3'-methoxypuerarin

[20]

4

64.31

417.11854

417.11534

−3.20

255.05128

daidzin

[21]

5

67.74

195.06573

195.05935

−6.38

177.05273

149.05859

isoferulic acid

[22]

6

73.83

419.13416

419.13338

−0.78

257.07896

liquiritin

[21]