Walnuts can not be eaten after the expiration date, walnuts are rich in unsaturated fatty acids, long time will become shriveled, fatty acids are easily oxidized and lose nutrients. Expired walnuts from the shell to see the color is different, color shades are not the same, there seems to be a sense of obsolescence, will be flooded with oil, there is no walnuts of the original flavor, expired walnuts can not be eaten, eat is not conducive to good health, the serious will be vomiting, diarrhea.
Expanded
Related Hazards
Expired food in the deterioration will produce a large number of fungi or bacteria, which also contains many pathogenic bacteria, so eating expired and spoiled food, it will be harmful to human health.
Substances harmful to human health in expired food
Salmonella: Salmonella is often associated with meat, eggs, dairy, poisoning symptoms are mainly by acute gastroenteritis, pre-symptoms of nausea, headache, generalized fatigue and chills, etc.;
Main symptoms are vomiting, diarrhea, abdominal pain, feces to yellowish-green watery stool, sometimes with pus, blood, and mucus, general fever The temperature of the fever is from thirty-eight degrees Celsius to forty degrees Celsius, and severe patients show symptoms of chills, convulsions, convulsions and coma. The course of the disease is three to seven days, and the prognosis is generally good, but the elderly, children and the infirm can die if they do not receive timely first aid treatment.
Escherichia coli: E. coli is often found in foods of animal origin, such as beef, chicken, milk and dairy products, and can cause peritonitis, cholecystitis and appendicitis. Infants, the elderly and frail, chronic wasting disease, patients with large burns, E. coli can invade the bloodstream and cause sepsis, and certain serotypes of E. coli can also cause diarrhea in humans.?
Aflatoxin: aflatoxin mainly exists in a variety of nuts, especially peanuts and walnuts. Aflatoxin is positively correlated with hepatocellular carcinoma. Prolonged consumption of food containing low concentrations of aflatoxin is considered to be the main cause of liver cancer stomach cancer, intestinal cancer and other diseases.
Aflatoxin Bl belongs to the range of extremely toxic toxins which cause poisoning of human beings mainly damage to the liver, hepatitis cirrhosis, hepatic necrosis and so on. Clinical manifestations of stomach discomfort loss of appetite, nausea and vomiting, abdominal distension and liver tenderness; serious cases of edema coma, or even convulsions and death.
Nitrosamines: Nitrites enter the human body every day with grain, vegetables, fish, eggs and milk. Nitrite is easy to amine and amine synthesis, born into nitrosamines. Nitrosamines are strong carcinogens and can trigger tumors in offspring through the placenta and breast milk.
Reference:
Never Expire Food. Baidu Encyclopedia