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. 2014 Mar 31;10:32. doi: 10.1186/1746-4269-10-32

Table 5.

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

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)

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