What is That Red Liquid in Grocery Store Red Meat Packages?

proteins and compounds
Myoglobin is the key player here.

It is a protein found in muscle tissue that helps store and transport oxygen within muscle cells. It also contains a pigment that gives raw meat its familiar reddish color.

So when liquid accumulates in the package, it isn’t quite accurate to call it “blood.”

It’s better understood as water and muscle pigments/proteins released from the meat.

What Exactly Is Myoglobin?
Myoglobin is a naturally occurring protein found in muscle.

It has an important job in living muscle: helping make

There’s more to discover. Continue to the next page for the rest of this article.