Table 4.
Phenolic compounds (mg/kg) in different parts of P. curatellifolia.
| Class | Phenolic compound | Concentration | Extraction solvent | Characterization | References |
|---|---|---|---|---|---|
| Fruit | |||||
| Phenolic acids | Trans-5-Caffeoylquinic acid (3- CQA). (Neochlorogenic acid) | 0.3 | 80 % methanol | UPLC-QTOF/MS | [6] |
| 3-Caffeoylquinic acid (5-CQA) (chlorogenic acid) | 17.8 | 80 % methanol | UPLC-QTOF/MS | ||
| 3-O-p-Coumaroylquinic acid | 46.9 | 80 % methanol | UPLC-QTOF/MS | ||
| 3-O-Caffeoylshikimic acid | 0.8 | 80 % methanol | UPLC-QTOF/MS | ||
| Anthocyanins | Delphinidin 3-galactoside | 0.2 | 80 % methanol | UPLC-QTOF/MS | |
| Delphinidin 3-O-glucoside | 0.1 | 80 % methanol | UPLC-QTOF/MS | ||
| Cyanidin 3,5-O-diglucoside | 2.1 | 80 % methanol | UPLC-QTOF/MS | ||
| Flavonoids | Catechin | 3.36 | 80 % methanol | UPLC-QTOF/MS | |
| Epicatechin | 3.8 | 80 % methanol | UPLC-QTOF/MS | ||
| Myricetin 3-galactoside | 0.9 | 80 % methanol | UPLC-QTOF/MS | ||
| Myricetin 3-arabinoside | nd | 80 % methanol | UPLC-QTOF/MS | ||
| Quercetin 3-galactoside | 0.2 | 80 % methanol | UPLC-QTOF/MS | ||
| Methyl gallate 3-O-beta-D- glucopyranoside | nd | 80 % methanol | UPLC-QTOF/MS | ||
| Gentisic acid 5-O-glucoside | 5.3 | 80 % methanol | UPLC-QTOF/MS | ||
| Procyanidin dimer B1 | 1.8 | 80 % methanol | UPLC-QTOF/MS | ||
| Procyanidin B5 | 0.6 | 80 % methanol | UPLC-QTOF/MS | ||
| Procyanidin B-type dimer | 0.9 | 80 % methanol | UPLC-QTOF/MS | ||
| β-Glucogallin (1-O-Galloyl-β-D- glucopyranose) | 0.1 | 80 % methanol | UPLC-QTOF/MS | ||
| Xanthohumol A Prenylated Flavonoid | nd | 80 % methanol | UPLC-QTOF/MS | ||
| Tryptophan | 185.7 | 80 % methanol | UPLC-QTOF/MS | ||
| Seed | |||||
| Phenolic acids | Gallic acid | 7.4 | 80 % methanol | HPLC | [7] |
| Catechin | 14.9 | 80 % methanol | HPLC | ||
| Chlorogenic acid | 21.7 | 80 % methanol | HPLC | ||
| Caffeic acid | 66.1 | 80 % methanol | HPLC | ||
| Ellagic acid | 32.8 | 80 % methanol | HPLC | ||
| Flavonoids | Epigallocatechin | 13.5 | 80 % methanol | HPLC | |
| Rutin | 52.4 | 80 % methanol | HPLC | ||
| Isoquercitrin | 24.6 | 80 % methanol | HPLC | ||
| Quercitrin | 33.9 | 80 % methanol | HPLC | ||
| Quercitin | 17.7 | 80 % methanol | HPLC | ||
| Kaempferol | 31.3 | 80 % methanol | HPLC | ||
nd = non detected, HPLC= High-performance liquid chromatography, UPLC-QTOF/MS= Ultra-high performance liquid chromatography with quadrupole time-of-flight mass spectrometry.