Table 1.

Comparison of different techniques for food safety inspection: factors and characteristics.

Technique in Food Safety	Detection Speed	Detection Cost	Sensitivity	Specificity	Detection Limit	Portability	Refs.
Chemical methods	Slow	Expensive	High	High	Low	Poor	[59]
Biological methods	Rapid	Affordable	High	Medium	High	Good	[60]
Physical methods	Rapid	Affordable	High	Medium	Medium	Good	[61]