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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)

From: Determination of the biologically active flavour substances thujone and camphor in foods and medicines containing sage (Salvia officinalisL.)

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
  1. a Pure sage tea if not otherwise indicated
  2. bThe indicated result is the average of all analyses of the same brand from different packages
  3. c Products from the same manufacturer (different production lots)
  4. 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)
  5. * not analyzed in this sample