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Table 5 Concentration of medicinal plants in homemade single species herbal remedies (HSHR) in preparations for topical use

From: Ethnoveterinary herbal remedies used by farmers in four north-eastern Swiss cantons (St. Gallen, Thurgau, Appenzell Innerrhoden and Appenzell Ausserrhoden)

Plant species with ≥ 3 HSHR and documented dosage

g dry plant equivalent in 100 g finished product

Recommended concentration g dry plant equivalent in 100 g finished product [41],[42],[48],[49]

Extraction

with water

Extraction with alcohol

Extraction with oil/fat

Arithmetic mean (median; minimum value - maximum value)

Extraction with water

Extraction with alcohol

Extraction with oil/fat

Calendula officinalis L. Flos and flos sine calice (21)

0.10, 0.20

0.01, 0.03, 0.34, 0.38, 0.43, 0.91, 2.33

0.28, 0.34, 0.50, 1.22,

1.10

0.67-1.33 [42]

50.001[42]

1.00-5.003[42]

1.52, 1.73, 1.76, 1.82,

20.002[42]

 

(0.91; 0.01-3.27)

 

1.82, 1.87, 2.22, 3.27

Rumex obtusifolius L. Folium (13)

  

1.52, 1.52,

4.31

-

-

-

1.75, 1.82,

1.98, 2.00,

2.33, 2.77,

(2.33; 1.52-20.00)

3.08, 3.59,

 

3.64, 10.00, 20.00

Hypericum perforatum L.

  

0.62, 0.66,

1.58

5.00- 10.004[41]

-

5.005[49] 11.004[48]

0.76, 1.43,

(1.69; 0.62-3.00)

1.49, 1.89,

Flos (10)

1.96, 2.00,

 

2.00, 3.00

Matricaria recutita L. Flos (10)

0.04, 0.18, 0.23, 0.37, 0.40, 0.40, 0.85, 5.00

 

2.12, 5.65

1.52

0.5 [42]

-

-

 

(0.40; 0.04- 5.65)

Symphytum officinale L. Radix (8)

 

3.51, 4.26, 4.43, 8.33

1.82, 3.45, 6.35, 6.67

4.85

-

-

up to 17.5 [42]

 

(4.35; 1.82-8.33)

Malva neglecta Wallr. Herba (6)

0.20, 0.40, 0.40, 0.80

 

1.82, 1.82

0.79

-

-

-

(0.40; 0.10-1.82)

Flos (1)

0.10

      

Arnica montana L. Flos (6)

 

0.90, 0.91, 1.14, 1.96, 2.33

10.00

2.87

2.0 [42]

10.00-33.33 [42]

-

 

(1.55; 0.90-10.00)

Geranium robertianum L.s.str. Herba (4)

  

0.71, 0.74, 0.90, 0.94

0.82

-

-

-

 

(0.82; 0.71-0.94)

Picea abies (L.) H. Karst. Resina (4)

  

3.53, 12.93, 27.27, 31.75

18.87

-

-

-

 

(20.10; 3.53- 31.75)

  1. 140% ethanol, 290% ethanol, 3semi-solid preparations, 4herb, 5flowering twigs.