Table 3.
Total polyphenol content (TPC), caffeic and chlorogenic acids, caffeine content, and radical-scavenging activity (TEAC) in CSS.
| Phenolic Fraction | TPC (mg GAE 100 g−1) |
TEAC (mmol Trolox eq 100 g−1) |
Chlorogenic Acid (mg g−1) |
Caffeic Acid (mg g−1) |
Caffeine (mg g−1) |
|---|---|---|---|---|---|
| Soluble | 578 ± 64 | 1.57 ± 0.04 | 0.39 ± 0.02 | 0.31 ± 0.01 | 17.45 ± 0.69 |
| Bound | 467 ± 29 | 1.11 ± 0.07 | 0.18 ± 0.01 | 0.21 ± 0.01 | n.d. |
| Sign. | ** | ** | ** | * | - |
Legend: n.d.: not detectable; asterisks indicate significance at *: p < 0.05 and **: p < 0.0.