Table 2.
Concentrations (µg/mL) of phenolic compounds and purine alkaloids of beverages of Ilex paraguariensis.
| Compound | S1 | S2 | S3 | S4 | S5 | S6 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chimarrão | Tererê | Chimarrão | Tererê | Chimarrão | Tererê | Chimarrão | Tererê | Chimarrão | Tererê | Chimarrão | Tererê | |
| Caffeine | 146 ± 11 | 124 ± 9 | 265 ± 12 | 234 ± 10 | 190 ± 13 | 168 ± 9 | 124 ± 8 | 114 ± 9 | 268 ± 12 | 246 ± 10 | 197 ± 15 | 175 ± 11 |
| 3-O-Caffeoylquinic acid | 183 ± 6 | 167 ± 4 | 153 ± 7 | 122 ± 5 | 193 ± 8 | 168 ± 8 | 166 ± 4 | 135 ± 7 | 189 ± 5 | 169 ± 6 | 242 ± 9 | 218 ± 4 |
| 5-O-Caffeoylquinic acid | 263 ± 4 | 203 ± 5 | 212 ± 9 | 199 ± 6 | 183 ± 8 | 164 ± 10 | 213 ± 12 | 209 ± 7 | 219 ± 8 | 193 ± 6 | 210 ± 9 | 185 ± 6 |
| Teobromine | 72 ± 3 | 57 ± 3 | 125 ± 9 | 114 ± 8 | 102 ± 6 | 77 ± 5 | 64 ± 7 | 54 ± 4 | 126 ± 8 | 113 ± 1 | 90 ± 4 | 73 ± 3 |
| 4-O-Caffeoylquinic acid | 153 ± 8 | 125 ± 4 | 188 ± 4 | 169 ± 9 | 139 ± 8 | 114 ± 12 | 153 ± 7 | 133 ± 1 | 130 ± 5 | 104 ± 3 | 123 ± 8 | 102 ± 6 |
| Quercetin-3-rhamnosylglucoside | 10 ± 1 | 9 ± 1 | 12 ± 2 | 11 ± 2 | 10 ± 1 | 8 ± 1 | 10 ± 1 | 8 ± 1 | 18 ± 1 | 12 ± 1 | 8 ± 1 | 7 ± 1 |
| Quercetin-3-O-glucoside | 12 ± 1 | 10 ± 1 | 13 ± 1 | 12 ± 1 | 13 ± 2 | 7 ± 1 | 8 ± 1 | 6 ± 1 | 10 ± 1 | 11 ± 1 | 6 ± 1 | 4 ± 1 |
| Kaempferol-3-O-glucoside | 9 ± 1 | 7 ± 1 | 10 ± 1 | 8 ± 1 | tr | tr | tr | tr | 12 ± 1 | 13 ± 1 | 16 ± 1 | 15 ± 1 |
| 3,5-Dicaffeoylquinic acid | 112 ± 7 | 103 ± 8 | 138 ± 8 | 112 ± 8 | 167 ± 7 | 123 ± 3 | 145 ± 5 | 123 ± 6 | 156 ± 3 | 126 ± 4 | 165 ± 4 | 145 ± 5 |
| 4,5-Dicaffeoylquinic acid | 238 ± 8 | 206 ± 7 | 278 ± 6 | 254 ± 7 | 289 ± 6 | 256 ± 8 | 267 ± 7 | 224 ± 8 | 279 ± 5 | 239 ± 6 | 287 ± 5 | 265 ± 8 |
| Tricaffeoylquinic acid * | 125 ± 9 | 102 ± 5 | 128 ± 7 | 106 ± 4 | 156 ± 6 | 134 ± 5 | 136 ± 4 | 108 ± 5 | 143 ± 6 | 139 ± 6 | 154 ± 4 | 143 ± 5 |
| Total phenolics | 1105 | 932 | 1132 | 993 | 1150 | 974 | 1098 | 946 | 1156 | 1016 | 1211 | 1084 |
S1 to S2 are beverages prepared from 6 different commercial sample lots of maté from 3 Brazilian states; n = 6, for each sample lot, 2 beverage samples were prepared, each of which was injected in triplicate. * Estimated from the 3,5-dicaffeoylquinic acid calibration curve. tr: trace levels.