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Table 1 LC–MS/MS characteristics of KZI in MRM mode

From: Kaliziri extract upregulates tyrosinase, TRP-1, TRP-2 and MITF expression in murine B16 melanoma cells

No. Compound Peak retention time (min) Mr (relative molar mass) Precursor ion (m/z) Product ion (m/z)
1 4- O-caffeoylquinate 16.85 354 353.08 191.05
2 3-O-caffeoylquinate 17.46 354 353.06 191.04
3 5,7,3′,4′-tetrahydroxy-flavonone-3-O-glucoside 19.14 466 465.08 303.03
4 3′-methoxy-5,7,4′-trihydroxy-dihydrochalcone-3-O-rutinoside 20.13 628 627.41 465.19
5 3,4-di-O-caffeoylisoquinic acid 25.06 516 515.05 353.06
6 3,4-di-O-caffeoylquinic acid 25.81 516 515.05 353.09
7 Liquiritigenin 27.93 256 255.06 119.04
8 Luteolin 29.19 286 285.05 150.99
9 Butein 31.29 272 271.05 135.04
10 Apigenin 32.44 270 269.06 135.01
11 Methoxyisorhamnetin 33.51 330 329.23 199.12
12 Kaempferide 52.71 300 299.24 165.00
13 Vernodalinol 20.91 378 401.14 277.12
14 Vernodalol 22.89 392 415.11 291.10
15 Vernodalin 25.73 360 361.17 259.10
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