Quality characteristics | Multi-batches extraction | |||||
I | II | III | IV | |||
Weight (g) | 2.9904 ± 0.0807 Da | 5.2183 ± 0.0971 C | 6.8405 ± 0.0297 B | 7.7892 ± 0.1327 A | ||
Extraction yieldb (%) | 19.93 ± 0.53 A | 17.39 ± 0.33 B | 15.20 ± 0.07 C | 12.98 ± 0.22 D | ||
Total phenols (mg CAE/g) | 186.83 ± 5.03 A | 177.25 ± 2.05 A | 186.92 ± 8.91 A | 180.33 ± 2.53 A | ||
Caffeic acid derivatives (mg/g) |
|
|
|
| ||
Caftaric acid | 20.08 ± 0.20 A | 19.19 ± 0.70 AB | 18.47 ± 0.32 AB | 18.03 ± 1.43 B | ||
Chlorogenic acid | 2.92 ± 0.17 A | 2.82 ± 0.19 A | 2.90 ± 0.08 A | 2.71 ± 0.36 A | ||
Caffeic acid | 0.48 ± 0.09 A | 0.41 ± 0.01 A | 0.44 ± 0.04 A | 0.42 ± 0.04 A | ||
Echinacoside | 1.27 ± 0.25 A | 1.17 ± 0.06 A | 1.19 ± 0.17 A | 1.17 ± 0.12 A | ||
Cichoric acid | 70.31 ± 3.54 A | 66.76 ± 3.03 A | 67.09 ± 0.92 A | 63.66 ± 5.32 A | ||
Total caffeic acid derivatives | 95.06 ± 4.09 A | 90.35 ± 3.73 A | 90.09 ± 1.02 A | 85.99 ± 7.18 A | ||
Alkamide 8/9c (mg/g) | 534.36 ± 40.94 A | 459.16 ± 8.57 B | 455.42 ± 33.26 B | 269.76 ± 8.81 C | ||