That red stuff is not blood. These guys say it a lot better than I can:
That red liquid isn’t blood. … The red hue comes from a protein called myoglobin, which helps muscle tissue store oxygen, like hemoglobin does in your blood. And like hemoglobin, the iron in myoglobin turns red when it binds with oxygen, giving raw meat that red hue,
That red stuff is not blood. These guys say it a lot better than I can:
That red liquid isn’t blood. … The red hue comes from a protein called myoglobin, which helps muscle tissue store oxygen, like hemoglobin does in your blood. And like hemoglobin, the iron in myoglobin turns red when it binds with oxygen, giving raw meat that red hue,