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).