Table 3 Polyphenols identified in Kelulut honey by LC–MS/MS

1

0.619

C₂₀H₁₈O₁₂

Xylopyranosyl quercetin

EH, RH

2

0.633

C₁₅H₁₄O₆

Catechin

BH, RH

3

0.638

C₉H₁₀O₅

Syringic acid

RH

4

0.658

C₁₅H₁₈O₉

Caffeoyl-D-glucose

BH, RH

5

0.662

C₃₀H₂₂O₁₉

Quercetin glucoside

All

6

0.673

C₉H₈O₄

Caffeic acid

RH, AH

7

0.686

C₇H₁₂O₆

Quinic acid

RH

8

0.689

C₆H₆O₃

Phloroglucinol

BH

9

0.69

C₂₅H₂₄O₁₂

3,5-Di-O-caffeoylquinic acid

BH, RH

10

0.705

C₁₅H₁₀O₆

Kaempferol

BH

11

0.721

C₁₀H₁₀O₄

Ferulic acid

RH

12

0.722

C₂₈H₃₂O₁₉S

Quercetin 3'-methyl ether 3-(4''-sulfatorutinoside)

AH, EH, RH

13

0.83

C₁₅H₁₂O₅

Naringenin

RH

14

0.834

C₂₂H₁₈CO₁₂

Chicoric acid

RH

15

0.949

C₉H₈O₃

Hydroxycinnamic acid

RH

16

1.711

C₁₅H₁₀O₈

Myricetin

RH