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Table 3 Metal profile of C. macrophylla fruit in (ppm) (n = 3)

From: GC–MS of essential oil, metal profile and physicochemical properties of fruits of Citrus macrophylla Wester from Sudan

Element Mean SD Reference
Macroelements    
 K 701.93 0.3600 1567.91a
 Na 6.38 0.8200 7.35a
 Ca 371.28 0.5000  
 Mg 54.78 0.2100  
Microelements    
 Cd 0.013 0.0684  
 Zn 0.256 0.0090  
 Pb 0.200 0.0010  
 Fe ND ND  
 Co ND ND  
 Ni ND ND  
 Cr ND ND  
  1. ND, not detected
  2. aLevy and Lifshitz (1995) (modified units)