The expert reminds: Distinguish the color while buying the frozen meat You had better eat up in one week
It is reported, Russia announced a few days ago that would totally forbid selling the deep frozen chicken next year. Many citizens raise questions after seeing this news, whether is that the cold frozen meat is unfavorable and healthy? The expert points out, if improper to select the cold frozen meat for use, really harmful to health.
The reporter interview and discover frozen meat products special counter in every large supermarket of Nanjing and food market, because each kilogram of frozen meat price is cheaper by three or four yuan than fresh meat, many citizens are all purchasing the cold frozen meat. But to the quality of the quality of cold frozen meat, a lot of consumers will not distinguish.
It is reported, usually, cold frozen meat red meat colors of high quality are mostly light gray, the fat and oil are white, have no peculiar smell to smell, will present red patch mark while pressing with the finger, will secrete out the shallow red liquid while unfreezing. If cold frozen meat every position color differs, yellowish pink has no change after pressing with the finger, meat is soft and has no elasticity after unfreezing, show quality is not good, or the meat unfreezed many times.
Head of the department of internal medicine of city western chinese hospital Ju Juan introduces, from the viewpoint of hygiene, some bacteria in the frozen meat have already died in long-term ultra-low temperature state, but does not represent complete hygiene. For example freezing repeatedly will go bad. Because from frozen state of the low temperature to above freezing point unfreezes the state, its cell membrane is destroyed seriously, if freeze again at this moment, in fact has already played a keeping fresh role, has frozen the longer time, the more frozen number of times is, the more unhealthy materials breeding are. The frozen meat is unfreezed, frozen, will destroy the nutrient component among them, cause and most rich in nutriment such as the cytoplasm liquid of nutrition to run off with the moisture in the meat repeatedly. However, so long as unfreeze correctly and eat rationally, the nutritive value of the frozen meat is not lower than the fresh meat.
The expert reminds, citizen's refrigerator in the house can not generally reach frozen temperature and result of the freezer, the frozen meat is put in refrigerating the cupboard for a long time and still known to go bad slowly. So propose the frozen meat bought back home had better be eaten up within one week. (The reporter Yang Pu Hou XiaoYun Reporter Ni XiuPing)
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