Testing for food contamination

Food can become contaminated with pathogenic bacteria even when hygiene standards in a kitchen, whether domestic or commercial, and in the food industry. There are so many possible microbes that can come into contact with food from a wide variety of sources including people with poor personal hygiene or outsourced ingredients that have been contaminated elsewhere.

Now, a team from China has reviewed hyperspectral and optical scattering imaging techniques to reveal whether food samples contain problematic microorganisms. These non-invasive approaches circumvent many of the long-winded and complicated laboratory techniques on which such tests have relied in the past.

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