Table 3.
Quality parameters and total phenol content of control oil and phenol-enriched prototypes.
| Sample | Free Acidity (% of Oleic Acid) | Peroxide Value (meq O2/kg) | K270 | ΔK | K225 | Bitter Index (BI) | Total Phenol Content (g/kg of Gallic Acid) | % of Non-Flavonoid Phenols |
|---|---|---|---|---|---|---|---|---|
| COO | 0.12 a | 5.46 a | 0.56 a | ≤0.15 | 0.10 c | 0.52 c | 0.025 c | 99.4 |
| PE-A | 0.12 a | 5.47 a | 0.57 a | ≤0.15 | 0.15 b | 1.20 b | 0.105 b | 74.9 |
| PE-B | 0.12 a | 5.47 a | 0.57 a | ≤0.15 | 0.18 a | 1.52 a | 0.131 a | 100 |
Parameters not sharing the same letter have a significantly different mean concentration (α = 0.05).