Table 3 Target hazard quotient (THQ) and hazard index (HI; total target hazard quotient) of heavy metals due to the consumption of imported frozen muscle and liver of cattle in Egypt.

From: Health risk assessment of heavy metals in imported frozen bovine meat and organs marketed in Sohag, Egypt

Heavy metals

RfD (µg/kg BW/day)

Muscle

Liver

EDI

µg/kg bw/day

THQ

EDI

µg/kg bw/day

THQ

Hg

0.1a

0.031

0.316

0.00928

0.0928

Pb

0.16b

0.069

0.433

0.0026

0.1625

Cd

1.0a

0.00304

0.00304

0.00248

0.00248

cHI or TTHQ

0.752

 

0.257

  1. EDI: Estimated daily intake; BW: Body weight. THQ = EDI/RfD. RfD = the oral reference dose (µg/kg/day). RfD for Hg (MeHg) and Cd (USEPA, 2019)a18 RfD for Pb (FDA, 2018)b19. HI (Hazard Index) or TTHQ (Total Target Hazard Quotient) = THQHg + THQAs + THQPb + THQCd (USEPA, 2011)c20.
Back to article page