Skip to main content

Table 3 Representative values of molybdenum and lead concentrations in different food groups (in mg/kg, fresh weight)

From: Determination of traces of molybdenum and lead in foods by x-ray fluorescence spectrometry

Food group Mo Pb
Cereals (mean) 1.50 ± 0.06 0.57 ± 0.02
Rice, (IRRI, N = 15) 4.44 ± 0.11 0.68 ± 0.01
  3.98 ± 0.10* 0.72 ± 0.02*
Rice (local, N = 12) 0.75 ± 0.01 0.82 ± 0.01
  0.65 ± 0.02* 0.75 ± 0.02*
Rice sunned (milled, N = 10) 0.49 ± 0.08 0.65 ± 0.01
  0.54 ± 0.09* 0.70 ± 0.03*
Wheat flour (coarse, N = 5) 0.31 ± 0.05 0.11 ± 0.04
  0.26 ± 0.09**  
Pulses (mean) 2.51 ± 0.09 0.62 ± 0.13
Bengal gram (split, N = 3) 0.77 ± 0.08 0.55 ± 0.02
   0.53 ± 0.02***
Black gram (split, N = 3) 2.85 ± 0.07 0.45 ± 0.12
   0.51 ± 0.03***
  2.78 ± 0.08* 0.46 ± 0.15*
Green gram (split, N = 3) 3.18 ± 0.07 0.45 ± 0.11
Lentils (N = 3) 2.83 ± 0.10 0.74 ± 0.18
  3.86** 0.73 ± 0.02***
Lathyrus pea (N = 3) 2.93 ± 0.12 0.92 ± 0.24
Vegetables (mean) 0.08 ± 0.03 0.20 ± 0.04
Vegetables (green, N = 15) 0.09 ± 0.04 0.22 ± 0.05
Potatoes (N = 3) 0.06 ± 0.02 0.25 ± 0.04
  0.07 ± 0.004**  
Tomatoes (N = 3) 0.05 ± 0.02 0.12 ± 0.03
Cabbage (N = 3) 0.10 ± 0.03 0.15 ± 0.05
Meats (mean) 0.07 ± 0.01 0.59 ± 0.05
Chicken (N = 5) 0.06 ± 0.01 0.67 ± 0.04
Goat (N = 5) 0.05 ± 0.01 0.25 ± 0.04
Beef (N = 5) 0.10 ± 0.02 0.85 ± 0.08
  0.11 ± 0.009**  
Fishes (mean) 0.12 ± 0.03 0.14 ± 0.07
Shrimp (N = 3) 0.09 ± 0.02 0.15 ± 0.08
Prawn (N = 3) 0.12 ± 0.02 0.13 ± 0.07
Fish (sweet water, N = 15) 0.12 ± 0.03 0.15 ± 0.06
Fish (marine, N = 6) 0.13 ± 0.04 0.11 ± 0.05
  0.15 ± 0.06* 0.13 ± 0.04*
Milk and milk products (mean) 0.26 ± 0.06  
Redcow (N = 3) 0.35 ± 0.09 < 0.08
Dano (N = 3) 0.31 ± 0.05 < 0.08
Cheese (N = 3) 0.11 ± 0.04 < 0.08
Eggs (mean) 0.18 ± 0.03 0.16 ± 0.06
Duck egg (N = 10) 0.15 ± 0.02 0.17 ± 0.06
Hen egg (N = 10) 0.20 ± 0.03 0.15 ± 0.05
  0.23 ± 0.009**  
Fruits (mean) 0.13 ± 0.01 0.23 ± 0.03
Orange (N = 3) 0.13 ± 0.02 0.19 ± 0.01
Mango (N = 3) 0.09 ± 0.01 0.11 ± 0.02
Pineapple (N = 3) 0.10 ± 0.01 0.11 ± 0.01
Banana (N = 3) 0.09 ± 0.01 0.40 ± 0.07
Jackfruit (N = 3) 0.13 ± 0.01 0.44 ± 0.06
Apple (N = 3) 0.26 ± 0.02 0.11 ± 0.03
  0.20 ± 0.018**  
Tea (N = 3) 0.34 ± 0.09 3.38 ± 0.29
  1. N = Number of samples. Uncertainties are due to the counting statistics.
  2. *Values are measured by PIXE. **Values are taken from (Vazquez-Gonzalez et al. 1989).
  3. ***Values are taken from (Qureshi et al. 1990).