Table 2.
Polyphenol composition of SC derivatives extracts determined by analytical HPLC-MS.
| Analyte | RT, min | Concentration (mg/kg) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| SC Stalk | E (%) | SC Juice | E (%) | SC Syrup | E (%) | Agrosavia NCS | E (%) | |||
| Phenolic acids | p-hydroxybenzoic acid | 4.2 | <0.01 | 12 | <0.01 | 12 | 5.1 | 2 | 4.4 | 2 |
| Vanillic acid | 4.3 | 84.2 | 2 | 17.1 | 2 | 16.3 | 2 | 18.6 | 2 | |
| p-coumaric acid | 4.7 | 8.2 | 1 | <0.01 | 4 | <0.01 | 4 | <0.01 | 4 | |
| Feluric acid | 4.8 | 1.2 | 2 | 2.1 | 2 | 2.7 | 2 | 2.3 | 2 | |
| Rosmarinic acid | 5 | 18.4 | 1 | <0.01 | 9 | <0.01 | 9 | <0.01 | 9 | |
| Flavonoids | Luteolin | 5.6 | 0.14 | 1 | 0.13 | 1 | 0.33 | 1 | 0.48 | 1 |
| Kaempferol | 61 | 1.1 | 1 | 0.086 | 1 | 0.54 | 1 | 0.81 | 1 | |
| Naringenin | 5.9 | 0.17 | 9 | 0.14 | 9 | 0.11 | 10 | 0.06 | 10 | |
| Apigenin | 6 | 0.05 | 12 | 0.04 | 12 | 0.06 | 12 | 0.08 | 12 | |
| Anthocyanins | 3-rutinoside cyanidin | 4 | 1.3 | 1 | 3.3 | 1 | 3,1 | 1 | 1.3 | 1 |
| Cyanidin | 4.5 | 0.42 | 5 | 1.2 | 10 | 3 | 4 | 2.2 | 1 | |
| Pelargonidine | 4.8 | 0.17 | 9 | 0.27 | 1 | 0.43 | 1 | 0.34 | 1 | |