Table 3.
Polyphenols identified in Kelulut honey by LC–MS/MS
| Assigned No | Retention Time (min) | Molecular Formula | Polyphenols | KH Samples |
|---|---|---|---|---|
| 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 |