Trace Metals, Crude Protein, and TGA-FTIR Analysis of Evolved Gas Products in the Thermal Decomposition of Roasted Mopane Worms, Sweet Corn, and Peanuts

Table 4

Heavy metal concentrations and health risk assessment values.

Element

Average concentration; (mg kg^-1)

EDI (mg kg^-1 day^-1)

(mg kg^-1 day^-1)

Hazard quotient

CSF (kg-day mg^-1)

Target cancer risk

Worm

Peanut

Sweet corn

Worm

Peanut

Sweet corn

Worm

Peanut

Sweet corn

Worm

Peanut

Sweet corn

As

22.5

18.2

74.6

0.0013

0.0074

0.261

0.003

0.424

2.45

86.9

1.5

0.0019

0.011

0.391

Cd

nd

nd

nd

0.025

6.3

Co

nd

nd

nd

0.003

Cr

nd

nd

nd

0.035

0.5

Ni

nd

nd

nd

0.02

Pb

nd

nd

nd

0.015

0.0085