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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
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BMC Chemistry

ISSN: 2661-801X

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