People do not eat meat harmful to the body?
But some nutritious elements contain more meat ~ such as fish contains a lot of protein ~ but I think people should be appropriate to eat meat ~ after all, or the most nutritious vegetables Well ~
While fresh pork is usually slightly sausage or sour.
After the frozen pork, after the thawing of the muscle color, smell, water content, etc. are normal no smell; expired frozen meat fat yellowish, muscle dry black, the surface of dry oxidized spots, near the smell will be light, thawed after the smell
