Table 2.
Results of sage tea (measured in the aqueous tea infusion prepared according to DIN 10809/ISO 3103:1980 in a cup without lid)
| Sample a | Sold as | Number of replicates b | α-Thujone [mg/L] | β-Thujone [mg/L] | Camphor [mg/L] | % yield of total thujone compared to extraction with 60% vol ethanol | FC-Index |
|---|---|---|---|---|---|---|---|
| Tea bag | Food | 2 | 0.7 | n.d. | 4.8 | 25% | 10.6 |
| Herbal tea | Food | 2 | 8.2 | 1.3 | 43.8 | 27% | 9.6 |
| Tea bag | Food | 2 | 0.2 | n.d. | 3.8 | 17% | 11.1 |
| Tea bag | Food | 2 | 11.8 | 2.3 | 55.3 | 36% | 11.9 |
| Herbal tea | Food | 2 | 5.8 | 1.3 | 18.7 | 22% | 9.6 |
| Herbal tea | Food | 2 | 1.4 | 0.5 | 2.8 | 31% | 5.2 |
| Herbal tea | Food | 2 | 1.1 | 0.5 | 2.3 | 36% | 6.5 |
| Herbal tea | Food | 2 | 0.2 | n.d. | 2.4 | 15% | 14.0 |
| - Average | Food | n = 8 | 3.7 | 0.7 | 16.7 | 26% | 9.8 |
| Tea bag | Medicine | 2 | 11.9 | 2.9 | 55.0 | 35% | 15.1 |
| Tea bag (sage with honey) | Medicine | 2 | 0.2 | n.d. | 1.5 | 20% | 7.1 |
| Tea bag | Medicine | 2 | 10.0 | 2.3 | 51.8 | 48% | 10.9 |
| Herbal tea | Medicine | 3 | 8.8 | 2.7 | * | 35% | 11.0 |
| Herbal tea | Medicine | 3 | 11.6 | 3.3 | * | 21% | 16.7 |
| Herbal tea | Medicine | 2 | 3.9 | 0.9 | * | 17% | 11.0 |
| Herbal tea | Medicine | 3 | 12.6 | 2.9 | * | 32% | 13.9 |
| Herbal tea | Medicine | 1 | 19.0 | 4.4 | 36.0 | 32% | 14.6 |
| Herbal tea | Medicine | 3 | 4.4 | 1.0 | 25.1 | 21% | 8.9 |
| Herbal tea | Medicine | 4 | 8.5 | 1.5 | 13.0 | 20% | 6.4 |
| Herbal tea | Medicine | 1 | 8.7 | 1.6 | 15.6 | 23% | 9.3 |
| Herbal tea | Medicine | 1 | 5.7 | 1.3 | 18.2 | 31% | 8.5 |
| Herbal tea | Medicine | 1 | 5.0 | 1.2 | 22.0 | 14% | 6.9 |
| Herbal tea c | Medicine | 2 | 11.5 | 3.0 | 21.5 | 38% | 14.2 |
| Herbal tea c | Medicine | 2 | 20.5 | 6.2 | 15.5 | 40% | 14.6 |
| Herbal tea c | Medicine | 1 | 19.1 | 5.6 | 14.8 | 40% | 15.4 |
| Herbal tea c | Medicine | 1 | 15.3 | 4.2 | 11.9 | 31% | 16.1 |
| Tea bag c | Medicine | 1 | 11.0 | 2.5 | 25.8 | 27% | 8.3 |
| Herbal tea c | Medicine | 1 | 21.5 | 5.3 | 15.4 | 32% | 15.0 |
| Herbal tea c | Medicine | 1 | 25.0 | 5.1 | 18.2 | 34% | 14.8 |
| Herbal tea c | Medicine | 1 | 22.2 | 4.6 | 13.6 | 40% | 14.3 |
| Herbal tea c | Medicine | 1 | 24.2 | 5.8 | 16.3 | 46% | 14.9 |
| Herbal tea c | Medicine | 1 | 24.8 | 5.0 | 15.9 | 42% | 11.5 |
| Herbal tea c | Medicine | 1 | 21.8 | 5.6 | 17.1 | 31% | 11.2 |
| Herbal tea c | Medicine | 1 | 24.0 | 5.0 | 16.1 | 42% | 11.6 |
| Herbal tea c | Medicine | 3 | 10.0 | 3.0 | * | 35% | 13.3 |
| Herbal tea c | Medicine | 3 | 13.8 | 5.2 | 14.6 | 23% | 15.0 |
| Herbal tea c | Medicine | 3 | 13.2 | 3.3 | 11.1 | 29% | 14.5 |
| Herbal tea c | Medicine | 3 | 14.9 | 3.1 | * | * | * |
| Herbal tea c | Medicine | 3 | 14.6 | 2.8 | * | * | * |
| Herbal tea c | Medicine | 3 | 10.7 | 1.7 | * | * | * |
| - Average d | Medicine | n = 14 | 9.1 | 2.2 | 25.4 | 27% | 13.6 |
a Pure sage tea if not otherwise indicated
bThe indicated result is the average of all analyses of the same brand from different packages
c Products from the same manufacturer (different production lots)
d To avoid overproportial weight of the samples of the one manufacturer analysed several times (see footnote c), the overall average was calculated only between different manufacturers (average for each manufacturer)
* not analyzed in this sample