Table 1. The level of cadmium, lead, and mercury in specific street-vended foods sold in Davao City, Philippines

MRL1) Grilled chicken intestines (n=20) deep-fried breaded chicken eggs (n=20) Steamed dumplings (n=20) p
mg/kg +ve2) (%) mg/kg +ve (%) mg/kg +ve (%) mg/kg
Cadmium 0.001 0 <d3) 0 <d 0 <d -
Lead 0.025 5 (25) 0.089±0.369ns4) 6 (30) 0.090±0.236ns 4 (20) 0.019±0.064ns 0.059
Mercury 0.0001 16 (80) 0.044±0.034ns 16 (80) 0.069±0.046ns 18 (90) 0.062±0.053ns 0.677
MRL is the Maximum Residue Limit.
A positive sample that exceeded the MRL.
<d means below the limit of detection (LOD) = 0.0003 mg/kg.
ns, not significant.