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Table 4 Identification and confirmation of biomarkers of Brazilian red propolis in EEP using LC-Orbitrap-FTMS

From: Brazilian red propolis: phytochemical screening, antioxidant activity and effect against cancer cells

Peak m/z RT (min) Formulae Compound
1 179.0556 2.95 C9H8O4 Caffeic acid
2 193.0502 2.98 C10H10O4 Ferulic acid
3 179.0556 3.00 C9H8O4 Umbelic acid
4 163.0243 3.04 C9H8O3 p-Coumaric acid
5 475.1232 3.10 C23H24O11 7-O-beta-glucopyranosyl-4′-hydroxy-5-methoxyisoflavone
6 461.1073 4.50 C22H22O11 6-Methoxyluteolin 7-rhamnoside
7 269.0811 7.05 C15H10O5 Genistein
8 285.0395 7.35 C15H10O5 Kaempferol
9 289.0711 8.04 C15H14O6 Cathechin
10 287.0553 8.28 C15H12O6 Dalbergioidin
11 289.0711 8.83 C15H14O6 Epicatechin
12 253.0499 8.95 C15H10O4 Daidzein
13 255.0655 9.7 C15H12O4 Liquiritigenin
14 283.0603 10.5 C16H12O5 2′-Hydroxyformononetin
15 331.0810 11.3 C17H16O7 Evernic acid
16-17 271.0605 11.9 C15H12O5 Naringenin
Pinobanksin
18 283.0604 12.4 C16H12O5 Calycosin
19 255.0656 13.4 C15H12O4 Isoliquiritigenin
20-21 267.0656 13.8 C16H12O4 Formononetin
Isoformononetin
22 269.0812 14.2 C16H14O4 4,4′-dihydroxy-2-methoxychalcone
23 269.0812 14.2 C16H14O4 (7S)-dalbergiphenol
24 271.0969 14.7 C16H16O4 Vestitol
25 269.0813 15.1 C16H14O4 Pinostrobin
26 269.0813 15.1 C16H14O4 Medicarpin
27 255.0657 16.2 C15H12O4 2′,6′-dihydroxy-4′-methoxydihydrochalcone
28 255.0657 16.2 C15H12O4 Thevetiaflavone
29 539.1699 17.0 C32H28O8 3′,4′-di-O-benzyl-7-O-(2-hydroxyethyl)-3-O-methylquercetin
30-31 285.1131 18.2 C17H18O4 (3S)-7-O-methylvestitol
7,3′-Dihydroxy-4′-methoxy-8-methylflavane
32-34 425.1603 21.4 C30H50O Cycloartenol
α-amyrin
β-amyrin
35-37 601.3533 32.9 C38H50O6 Guttiferone E
Guttiferone F
Xantochymol
38-39 669.4156 39.2 C43H58O6 Guttiferone C
Guttiferone D
40 401.3058 48.4 C26H42O3 19-nor-10-keto-25-hydroxyvitamin D3