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Color of Beef and Food Grade

Color of Beef. Have you ever noticed how the inside of ground beef can be lighter or darker than the outside? Why does this occur? Is it still safe to eat?

Food Grade. What do the various food grading standards mean? Give a summary of the food grade standards used for dairy and meat.

Incldue references if any....this is to answer some questions that came to mind while I was reading this weeks material and they were not answered in the text!!!

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Color of Beef and Food Grade

Color of Beef. Have you ever noticed how the inside of ground beef can be lighter or darker than the outside? Why does this occur? Is it still safe to eat? Sometimes ground beef is treated with different chemicals or has different fillers (e.g. peanut, soy, pecan, or other meal). Sometimes, too as beef ages, it may discolor, if it is freezer burnt, and may have different colorations. Also:
Ground Beef Color - Red versus Gray-Purple Meat
The bright red color of ground beef is often used by consumers as a selection factor when purchasing hamburger, but a dark gray-purple color may not necessarily be a bad thing.

All warm-blooded animals contain a pigment called myoglobin in meat tissues. This pigment is normally a dark grayish-purple but when it comes in contact with oxygen, it becomes oxymyoglobin and reacts by turning a ...

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Color of Beef and Food Grade topics are explored.

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