Calculated Mean Content Values
  
    
      | Units | Average | Min | Max | Standard Deviation | 
  
  
    
      | mg/100 g FW | 7.71 | 0.00 | 12.00 | 5.86 | 
    
      | mol/100 g | 2.55e-05 | 0.00 | 3.97e-05 | 1.94e-05 | 
    
  
  Values calculated by aggregating data from 5 
  different samples
   from 
  4 unique 
  publications.
  
Aglycone Mean Content Values
  
    
      | Aglycone | Units | Average | Min | Max | Standard Deviation | 
  
  
      
        | Quercetin | mg/100 g FW | 7.71 | 0.00 | 12.00 | 5.86 | 
      
        | mol/100 g | 2.55e-05 | 0.00 | 3.97e-05 | 1.94e-05 | 
 
  
Original Content Values Used to Produce Means
  
    Justesen, U.;Knuthsen, P.;Leth, T. (1998) Quantitative analysis of flavonols, flavones, and flavanones in fruits, vegetables and beverages by high-performance liquid chromatography with photo-diode array and mass spectrometric detection. Journal of Chromatography A 799:101-10 PubMed (9550103)  
    
      
        
        
        
        
      
       
      
        
          | Original Content Value | Original Food Description | Commercial Origin | # of Samples Analyzed | 
      
      
        
          | 12.00 mg/100 g FW | Kale | yes | 4 | 
      
    
   
  
    Hertog, M. Hollman, P. Katan, M (1992) Content of potentially anticarcinogenic flavonoids of 28 vegetables and 9 fruits commonly consumed in the Netherland. Journal of Agricultural and Food Chemistry 40:2379-2383
    
      
        
        
        
        
      
       
      
        
          | Original Content Value | Original Food Description | Commercial Origin | # of Samples Analyzed | 
      
      
        
          | 11.00 mg/100 g FW | Kale - Brassica oleracea L. cv. Acephala DC - Dec 1991 | yes | 1 | 
      
    
   
  
    Bilyk, A., Sapers, G.M. (1985) Distribution of quercetin and kaempferol in lettuce, kale, chive, garlic chive, leek, horseradish, red radish, and red cabbage tissues. Journal of Agricultural and Food Chemistry 33:226-228
    
      
        
        
        
        
      
       
      
        
          | Original Content Value | Original Food Description | Commercial Origin | # of Samples Analyzed | 
      
      
        
          | 0.70 mg/100 g FW | Kale - Dwarf Siberian - Whole | no | 1 | 
        
          | 2.00 mg/100 g FW | Kale - Vates Blue Curled Dwarf - Whole | no | 1 | 
      
    
   
  
    Lugasi A., Hovari J. (2000) Flavonoid aglycons in foods of plant origin I. Vegetables. Acta Alimentaria 29:345-352
    
      
        
        
        
        
      
       
      
        
          | Original Content Value | Original Food Description | Commercial Origin | # of Samples Analyzed | 
      
      
        
          | 0.00 mg/100 g FW | Kale - Local market - Edible parts | yes | 1 |