Take-away beef is colored and reflective. Is it broken? Can I still eat?

The color reflection of beef is normal, because after the beef is sliced, the muscle fibers are arranged in a regular microstructure, which causes diffraction or interference of light and makes it appear rainbow color, which is a normal phenomenon of fresh beef. Beef is rich in protein and low in fat. It is suitable for people who have recovered from a serious illness and can nourish the body.

Because the muscle fibers are arranged in a regular microstructure after the beef is sliced, it causes diffraction or interference of light and makes it appear rainbow color, which is a normal phenomenon of fresh beef. Beef is rich in protein and low in fat. It is suitable for people who have recovered from a serious illness and can nourish the body. Beef contains a lot of nutrients such as protein, calcium, iron, vitamins, and less fat, which can prevent and treat iron deficiency anemia, strengthen bones and muscles, and enhance human immunity.

"Rainbow reflection" is caused by the physical properties of beef itself, and has nothing to do with the safety of beef itself. The "rainbow reflection" of beef is a natural and common phenomenon, so don't worry too much. But we should pay attention to distinguish it from the phenomenon of beef rotting and turning green, and we must not eat it. In addition to the rainbow-colored meat is safe, the green color of the meat caused by microbial reproduction indicates that the meat quality is on the way to corruption.

The rainbow color of beef will disappear after dehydration or freezing, but it will reappear after rehydration or thawing. When we cut beef parallel to the muscle fiber direction, the rainbow color will not appear, but will appear perpendicular to the muscle fiber direction. No matter dehydration and freezing or parallel muscle fiber cutting, the regular arrangement structure between myofibrils is indirectly destroyed, so that the diffraction phenomenon of light cannot occur and the rainbow color phenomenon is reduced.

? The rainbow spots on beef slices are normal and edible. However, rotten green and fluorescent green meat must be kept away! So if the fat content is high, the texture is uneven, and it is easy to refract light, there will be no such rainbow color.