Table 1.
Phenolic compounds detected in the aqueous jojoba seed extract by using reversed-phase high-performance liquid chromatography (RP-HPLC).
| Peak No. | RT | % | Identified Compound |
|---|---|---|---|
| 1 | 3.2 | 36.60 | gallic acid |
| 2 | 4 | 4.46 | 3,5-dihydroxybenzoic acid |
| 3 | 20.6 | 1.12 | p-hydroxybenzoic acid |
| 4 | 23.8 | 1.12 | caffeic acid hexoside |
| 7 | 27.7 | 1.34 | syringic acid |
| 5 | 24.4 | 1.79 | catechin |
| 8 | 28.7 | 2.23 | kaempferol 3-glucoside |
| 10 | 29.8 | 1.12 | apigenin 7-rutinoside |
| 12 | 31.7 | 1.34 | quercetin-3,4-diglucoside |
| 15 | 34.3 | 1.12 | quercetin trisaccharide |
| 19 | 38.1 | 7.14 | rutin |
| 22 | 45.6 | 5.58 | epicatechin gallate |
| 23 | 50.5 | 1.12 | quercetin 3-glucoside |
| 24 | 59.1 | 4.46 | quercetin |
| 25 | 59.6 | 6.7 | isorhamnetin-3-glucoside |
| 9 | 29.2 | 1.56 | cyanidin-3-rutinoside |
| 6 | 25 | 1.56 | caffeic acid |
| 16 | 35.7 | 1.12 | p-coumaric acid |
| 20 | 41.5 | 3.79 | ferulic acid |
| 21 | 42.8 | 2.23 | sinapic acid |
| 11 | 31.3 | 0.89 | nd |
| 13 | 33.3 | 1.34 | nd |
| 14 | 33.9 | 0.89 | nd |
| 17 | 36.5 | 3.79 | nd |
| 18 | 37.5 | 1 .12 | nd |
| 26 | 61 | 2.90 | nd |
| 27 | 62 | 1.56 | nd |
nd: not determined, RT: retention time.