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

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