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Results of the content of polyphenols in mg GAE/100 mg mate tea leaves and decaffeinated mate tea leaves for each extraction method (40 °C, 1:20 S/L ratio, 60 min (4 cyles of 15 min)). Data expressed as mean ± S.D.
| Extraction method | mg GAE/100 mg mate tea leaves | mg GAE/100 mg decaffeinated mate tea leaves |
|---|---|---|
| LA:Glu:Water (5:1:3) | 12.2 ± 1.0 | 10.0 ± 0.9 |
| LA:Gly:Water (3:1:3) | 13.5 ± 1.0 | 12.7 ± 0.3 |
| MeOH (70% v/v) | 12 ± 1.2 | 10.6 ± 1.2 |
| Soxhlet (MeOH) | 9.4 ± 1.8 | 9.0 ± 0.2 |
