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Which of the following is based on immuno-chemical methods of freshness indicator?

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in Food Packaging Technology by (63.0k points)
Which of the following is based on immuno-chemical methods of freshness indicator?

(a) Pathogen Indicators

(b) Microbial growth indicator

(c) Oxygen indicator

(d) Carbon dioxide indicator

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Question is from Intelligent Packaging Systems in section Modern Packaging Techniques of Food Packaging Technology

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Right option is (a) Pathogen Indicators

Easy explanation: Pathogen Indicators use various chemical & immuno-chemical methods reacting with toxins. It gives information about specific pathogenic bacteria such as Escherichia Coli O157. It is most commonly used in perishable foods such as meat, fish & poultry.

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