When grains are harvested and stored before being processed, insect and microbial contamination can occur. Search online and find out how insect parts are detected in grains. Determine the “allowable limit” of insect parts in grain.

What will be an ideal response?


Answers to this depend on the websites the students use. Good websites for this type of information are those of the FDA and the USDA. For example, sieving grain every couple of weeks can detect some insects. Other insects can be detected using baited traps. The amount of insect parts varies depending on the food.

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