Table 5. Total phenolic content corresponding to the equivalent of gallic acid.
Sample | mg gallic acid equivalent/g dry sample | Average ± D. standard | ||
---|---|---|---|---|
1 | 2 | 3 | ||
Soxhlet at 40°C | 38.546 | 39.036 | 39.444 | 39.009 ± 0.450 a |
Soxhlet at 50°C | 48.192 | 48.738 | 48.898 | 48.609 ± 0.370 b |
Ultrasonic bath at 40°C | 30.73 | 30.35 | 29.734 | 30.271 ± 0.503 c |
Ultrasonic bath at 50°C | 40.256 | 40.302 | 40.546 | 40.368 ± 0.156 d |
Maceration at 40°C | 26.446 | 27.092 | 27.566 | 27.035 ± 0.562 e |
Maceration at 50°C | 29.746 | 30.428 | 30.748 | 30.307 ± 0.512 c |
Values are the mean of triplicate determinations. Different lowercase letters indicate statistical difference p<0.05.
Based on data from Ruiz Reyes et al. 30