Table 5.
Sugar profile of I. paraquariensis and various varieties of I. aquifolium.
| Compound | RI Exp. 1 | RI Lit. 2 | m/z | I. paraguariensis | I. aquifolium | I. aquifolium Alaska | I. aquifolium Ferox Argentea |
|---|---|---|---|---|---|---|---|
| Concentration (mg/g) d.w. | |||||||
| Fructose (TMS) | 1922 | 1867 | 73/217/204 | 0.95 ± 0.13 3,4,a | 0.63 ± 0.14 b | 0.64 ± 0.12 b | 0.37 ± 0.09c |
| Mannose isomer 1 (TMS) | 1933 | 1944 | 205/103/160 | 0.73 ± 0.11 a | 0.49 ± 0.12 b | 0.45 ± 0.09 b | 0.25 ± 0.08 c |
| Glucose isomer 1(TMS) | 1948 | 1964 | 204/73/205 | 1.77 ± 0.21 a | 0.89 ± 0.23 b | 0.92 ± 0.11 b | 0.50 ± 0.05 c |
| Glucose isomer 2 (TMS) | 1963 | 1980 | 204/73/205 | 0.45 ± 0.29 a | 0.18 ± 0.08 b | 0.18 ± 0.03 b | 0.11 ± 0.01 c |
| Mannose isomer 2 (TMS) | 2499 | 2561 | 205/103/160 | 0.37 ± 0.22 a | 0.37 ± 0.11 a | 0.36 ± 0.06 a | 0.21 ± 0.02 b |
| Sucrose (TMS) | 2580 | 2598 | 361/73/362 | 2.05 ± 0.33 a | 2.80 ± 0.24c | 2.93 ± 0.21d | 1.58 ± 0.12 b |
| D-Cellobiose isomer 1 (TMS) | 2641 | 2631 | 204/191/217 | - | 1.13 ± 0.17 | 1.19 ± 0.17 | 0.60 ± 0.24 |
| Maltose isomer 1 (TMS) | 2656 | 2657 | 204/73/191 | - | 0.29 ± 0.07 | 0.30 ± 0.09 | 0.17 ± 0.06 |
| D-Cellobiose isomer 1 (TMS) | 2695 | 2693 | 204/191/217 | - | 0.25 ± 0.05 | 0.26 ± 0.03 | 0.14 ± 0.07 |
| Maltose isomer 2 (TMS) | 2711 | 2712 | 204/73/191 | - | 0.95 ± 0.10 | 0.96 ± 0.13 | 0.54 ± 0.12 |
| Gentiobiose | 2916 | 2964 | 361/190/217 | 0.58 ± 0.25 a | 0.60 ± 0.12a | 0.60 ± 0.12d | 0.34 ± 0.09 b |
| TOTAL | 6.91 a | 8.57 b | 8.78 b | 4.82 c | |||
1 Experimental retention indices calculated against n-alkanes. 2 Retention indices according to the NIST 20 database. 3 Values are mean ± SEM; values followed by the same letter within a row are not significantly different (p > 0.05, Duncan’s test). 4 Data are relative concentrations expressed per internal standard.