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    Home > Food News > Nutrition News > "Colored beef" doesn't have to be spoiled, experts teach you to identify

    "Colored beef" doesn't have to be spoiled, experts teach you to identify

    • Last Update: 2022-09-14
    • Source: Internet
    • Author: User
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    The beef with sauce and marinated beef that I bought actually appeared colored reflective under the light, some were golden green, some were golden pink.


    "The phenomenon of metallic reflection on the surface of beef does exist, which is a physical optical phenomenon, and consumers do not have to panic if they encounter it, because the beef fiber is relatively thick, and it is uneven after being cross-cut, forming a structure called 'grating' in optics, so that the beef under the illumination of light produces colored reflections, which does not mean that the beef has deteriorated or added unsafe additives


    Experts especially remind that another reason for the appearance of color may be that the beef is contaminated with bacteria, resulting in decay and deterioration


    How do you tell which case it is? The expert said that there is a very simple way to distinguish: grating diffraction needs a suitable angle to see, you can look at the beef from a different angle, if there is no color reflection, it means that the beef has not spoiled, you can eat





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