Table 2 Detected phenols and flavonoids in MSK at two operating temperatures (30 and 50 °C) of SFE.
Detected constituent | At operating temperature 30 °C | At operating temperature 50 °C | ||||
|---|---|---|---|---|---|---|
RT | Area (%) | Quantity (µg/mL) | RT | Area (%) | Quantity (µg/mL) | |
Gallic acid | 3.57 | 85.34 | 68503.01 | 3.57 | 79.69 | 62985.64 |
Chlorogenic acid | 4.14 | 4.73 | 6541.68 | 4.14 | 4.20 | 5722.86 |
Catechin | 4.52 | 0.46 | 1085.36 | 4.54 | 0.90 | 2074.03 |
Methyl gallate | 5.34 | 1.45 | 775.98 | 5.34 | 1.13 | 594.74 |
Caffeic acid | 5.76 | 0.00 | 0.00 | 5.55 | 1.56 | 1245.15 |
Syringic acid | 6.17 | 0.22 | 152.99 | 6.18 | 0.62 | 422.57 |
Pyro catechol | 6.43 | 0.00 | 0.00 | 6.43 | 0.00 | 0.00 |
Rutin | 6.68 | 3.88 | 6.24 | 6.65 | 0.00 | 0.00 |
Ellagic acid | 8.99 | 1.94 | 2479.42 | 7.00 | 1.95 | 2449.67 |
Coumaric acid | 8.54 | 0.03 | 9.43 | 8.24 | 3.32 | 1164.00 |
Vanillin | 8.97 | 1.47 | 546.00 | 8.98 | 1.43 | 537.06 |
Ferulic acid | 9.25 | 4.50 | 2555.12 | 9.24 | 3.85 | 2219.01 |
Naringenin | 9.84 | 0.43 | 394.54 | 9.85 | 0.36 | 337.36 |
Rosmarinic acid | 11.41 | 0.00 | 0.00 | 11.41 | 0.00 | 0.00 |
Daidzein | 15.27 | 0.06 | 36.98 | 15.54 | 0.00 | 0.00 |
Querectin | 16.94 | 0.00 | 0.00 | 17.17 | 0.18 | 149.99 |
Cinnamic acid | 18.66 | 0.04 | 7.82 | 18.65 | 0.04 | 6.65 |
Kaempferol | 20.44 | 0.05 | 38.52 | 20.36 | 0.00 | 0.00 |
Hesperetin | 20.73 | 0.04 | 18.94 | 20.95 | 0.00 | 0.00 |
