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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]